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Finding the Fourth Proportional to 141,517.71, 212,374.98 and 91,473.68

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Solution

The fourth proportional to 141,517.71, 212,374.98 and 91,473.68 is: 137,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,517.71 : 212,374.98 = 91,473.68 : x
  2. Step 2: Convert to fraction form
    141,517.71/212,374.98 = 91,473.68/x
  3. Step 3: Cross multiply
    141,517.71x = 212,374.98 × 91,473.68
  4. Step 4: Simplify right side
    141,517.71x = 19,426,720,508.25
  5. Step 5: Solve for x
    x = 19,426,720,508.25/141,517.71
  6. Step 6: Final answer
    x = 137,274.13

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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.