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Finding the Fourth Proportional to 119,669.92, 179,526.17 and 39,712.68

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Solution

The fourth proportional to 119,669.92, 179,526.17 and 39,712.68 is: 59,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.92 : 179,526.17 = 39,712.68 : x
  2. Step 2: Convert to fraction form
    119,669.92/179,526.17 = 39,712.68/x
  3. Step 3: Cross multiply
    119,669.92x = 179,526.17 × 39,712.68
  4. Step 4: Simplify right side
    119,669.92x = 7,129,465,440.12
  5. Step 5: Solve for x
    x = 7,129,465,440.12/119,669.92
  6. Step 6: Final answer
    x = 59,576.08

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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.