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Finding the Fourth Proportional to 169,516.87, 233,936.25 and 93,043.12

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Solution

The fourth proportional to 169,516.87, 233,936.25 and 93,043.12 is: 128,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,516.87 : 233,936.25 = 93,043.12 : x
  2. Step 2: Convert to fraction form
    169,516.87/233,936.25 = 93,043.12/x
  3. Step 3: Cross multiply
    169,516.87x = 233,936.25 × 93,043.12
  4. Step 4: Simplify right side
    169,516.87x = 21,766,158,581.10
  5. Step 5: Solve for x
    x = 21,766,158,581.10/169,516.87
  6. Step 6: Final answer
    x = 128,401.14

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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.