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Finding the Fourth Proportional to 169,592.74, 254,411.89 and 89,669.43

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Solution

The fourth proportional to 169,592.74, 254,411.89 and 89,669.43 is: 134,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,592.74 : 254,411.89 = 89,669.43 : x
  2. Step 2: Convert to fraction form
    169,592.74/254,411.89 = 89,669.43/x
  3. Step 3: Cross multiply
    169,592.74x = 254,411.89 × 89,669.43
  4. Step 4: Simplify right side
    169,592.74x = 22,812,968,937.35
  5. Step 5: Solve for x
    x = 22,812,968,937.35/169,592.74
  6. Step 6: Final answer
    x = 134,516.19

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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.