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Finding the Fourth Proportional to 239,710.46, 359,472.22 and 89,869.08

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Solution

The fourth proportional to 239,710.46, 359,472.22 and 89,869.08 is: 134,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,710.46 : 359,472.22 = 89,869.08 : x
  2. Step 2: Convert to fraction form
    239,710.46/359,472.22 = 89,869.08/x
  3. Step 3: Cross multiply
    239,710.46x = 359,472.22 × 89,869.08
  4. Step 4: Simplify right side
    239,710.46x = 32,305,437,696.96
  5. Step 5: Solve for x
    x = 32,305,437,696.96/239,710.46
  6. Step 6: Final answer
    x = 134,768.58

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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.