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Finding the Fourth Proportional to 240,131.10, 360,250.13 and 71,654.34

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Solution

The fourth proportional to 240,131.10, 360,250.13 and 71,654.34 is: 107,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,131.10 : 360,250.13 = 71,654.34 : x
  2. Step 2: Convert to fraction form
    240,131.10/360,250.13 = 71,654.34/x
  3. Step 3: Cross multiply
    240,131.10x = 360,250.13 × 71,654.34
  4. Step 4: Simplify right side
    240,131.10x = 25,813,484,941.79
  5. Step 5: Solve for x
    x = 25,813,484,941.79/240,131.10
  6. Step 6: Final answer
    x = 107,497.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.