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Finding the Fourth Proportional to 239,285.75, 358,935.58 and 89,497.46

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Solution

The fourth proportional to 239,285.75, 358,935.58 and 89,497.46 is: 134,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,285.75 : 358,935.58 = 89,497.46 : x
  2. Step 2: Convert to fraction form
    239,285.75/358,935.58 = 89,497.46/x
  3. Step 3: Cross multiply
    239,285.75x = 358,935.58 × 89,497.46
  4. Step 4: Simplify right side
    239,285.75x = 32,123,821,452.11
  5. Step 5: Solve for x
    x = 32,123,821,452.11/239,285.75
  6. Step 6: Final answer
    x = 134,248.79

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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.