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Finding the Fourth Proportional to 141,753.66, 212,762.25 and 71,683.26

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Solution

The fourth proportional to 141,753.66, 212,762.25 and 71,683.26 is: 107,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,753.66 : 212,762.25 = 71,683.26 : x
  2. Step 2: Convert to fraction form
    141,753.66/212,762.25 = 71,683.26/x
  3. Step 3: Cross multiply
    141,753.66x = 212,762.25 × 71,683.26
  4. Step 4: Simplify right side
    141,753.66x = 15,251,491,684.94
  5. Step 5: Solve for x
    x = 15,251,491,684.94/141,753.66
  6. Step 6: Final answer
    x = 107,591.52

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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.