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Finding the Fourth Proportional to 119,572.87, 179,384.61 and 39,606.31

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Solution

The fourth proportional to 119,572.87, 179,384.61 and 39,606.31 is: 59,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.87 : 179,384.61 = 39,606.31 : x
  2. Step 2: Convert to fraction form
    119,572.87/179,384.61 = 39,606.31/x
  3. Step 3: Cross multiply
    119,572.87x = 179,384.61 × 39,606.31
  4. Step 4: Simplify right side
    119,572.87x = 7,104,762,472.89
  5. Step 5: Solve for x
    x = 7,104,762,472.89/119,572.87
  6. Step 6: Final answer
    x = 59,417.85

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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.