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Finding the Fourth Proportional to 266,014.80, 367,109.28 and 145,162.74

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Solution

The fourth proportional to 266,014.80, 367,109.28 and 145,162.74 is: 200,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,014.80 : 367,109.28 = 145,162.74 : x
  2. Step 2: Convert to fraction form
    266,014.80/367,109.28 = 145,162.74/x
  3. Step 3: Cross multiply
    266,014.80x = 367,109.28 × 145,162.74
  4. Step 4: Simplify right side
    266,014.80x = 53,290,588,964.23
  5. Step 5: Solve for x
    x = 53,290,588,964.23/266,014.80
  6. Step 6: Final answer
    x = 200,329.41

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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.