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Finding the Fourth Proportional to 123,056.78, 184,585.17 and 88,064.78

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Solution

The fourth proportional to 123,056.78, 184,585.17 and 88,064.78 is: 132,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,056.78 : 184,585.17 = 88,064.78 : x
  2. Step 2: Convert to fraction form
    123,056.78/184,585.17 = 88,064.78/x
  3. Step 3: Cross multiply
    123,056.78x = 184,585.17 × 88,064.78
  4. Step 4: Simplify right side
    123,056.78x = 16,255,452,387.31
  5. Step 5: Solve for x
    x = 16,255,452,387.31/123,056.78
  6. Step 6: Final answer
    x = 132,097.17

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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.