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Finding the Fourth Proportional to 154,699.52, 232,046.72 and 65,905.92

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Solution

The fourth proportional to 154,699.52, 232,046.72 and 65,905.92 is: 98,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,699.52 : 232,046.72 = 65,905.92 : x
  2. Step 2: Convert to fraction form
    154,699.52/232,046.72 = 65,905.92/x
  3. Step 3: Cross multiply
    154,699.52x = 232,046.72 × 65,905.92
  4. Step 4: Simplify right side
    154,699.52x = 15,293,252,564.58
  5. Step 5: Solve for x
    x = 15,293,252,564.58/154,699.52
  6. Step 6: Final answer
    x = 98,857.79

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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.