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Finding the Fourth Proportional to 266,030.76, 367,117.56 and 145,168.95

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Solution

The fourth proportional to 266,030.76, 367,117.56 and 145,168.95 is: 200,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.76 : 367,117.56 = 145,168.95 : x
  2. Step 2: Convert to fraction form
    266,030.76/367,117.56 = 145,168.95/x
  3. Step 3: Cross multiply
    266,030.76x = 367,117.56 × 145,168.95
  4. Step 4: Simplify right side
    266,030.76x = 53,294,070,711.76
  5. Step 5: Solve for x
    x = 53,294,070,711.76/266,030.76
  6. Step 6: Final answer
    x = 200,330.48

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.