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Finding the Fourth Proportional to 169,271.31, 233,593.70 and 93,819.81

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Solution

The fourth proportional to 169,271.31, 233,593.70 and 93,819.81 is: 129,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,271.31 : 233,593.70 = 93,819.81 : x
  2. Step 2: Convert to fraction form
    169,271.31/233,593.70 = 93,819.81/x
  3. Step 3: Cross multiply
    169,271.31x = 233,593.70 × 93,819.81
  4. Step 4: Simplify right side
    169,271.31x = 21,915,716,082.10
  5. Step 5: Solve for x
    x = 21,915,716,082.10/169,271.31
  6. Step 6: Final answer
    x = 129,470.94

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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.