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Finding the Fourth Proportional to 266,010.55, 367,103.40 and 145,158.46

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Solution

The fourth proportional to 266,010.55, 367,103.40 and 145,158.46 is: 200,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,010.55 : 367,103.40 = 145,158.46 : x
  2. Step 2: Convert to fraction form
    266,010.55/367,103.40 = 145,158.46/x
  3. Step 3: Cross multiply
    266,010.55x = 367,103.40 × 145,158.46
  4. Step 4: Simplify right side
    266,010.55x = 53,288,164,204.76
  5. Step 5: Solve for x
    x = 53,288,164,204.76/266,010.55
  6. Step 6: Final answer
    x = 200,323.50

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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.