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Finding the Fourth Proportional to 239,155.31, 358,753.59 and 61,660.82

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Solution

The fourth proportional to 239,155.31, 358,753.59 and 61,660.82 is: 92,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155.31 : 358,753.59 = 61,660.82 : x
  2. Step 2: Convert to fraction form
    239,155.31/358,753.59 = 61,660.82/x
  3. Step 3: Cross multiply
    239,155.31x = 358,753.59 × 61,660.82
  4. Step 4: Simplify right side
    239,155.31x = 22,121,038,743.58
  5. Step 5: Solve for x
    x = 22,121,038,743.58/239,155.31
  6. Step 6: Final answer
    x = 92,496.54

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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.