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Finding the Fourth Proportional to 169,877.43, 234,432.43 and 93,397.07

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Solution

The fourth proportional to 169,877.43, 234,432.43 and 93,397.07 is: 128,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,877.43 : 234,432.43 = 93,397.07 : x
  2. Step 2: Convert to fraction form
    169,877.43/234,432.43 = 93,397.07/x
  3. Step 3: Cross multiply
    169,877.43x = 234,432.43 × 93,397.07
  4. Step 4: Simplify right side
    169,877.43x = 21,895,302,427.57
  5. Step 5: Solve for x
    x = 21,895,302,427.57/169,877.43
  6. Step 6: Final answer
    x = 128,888.83

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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.