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Finding the Fourth Proportional to 148,497.68, 222,702.78 and 115,255.28

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Solution

The fourth proportional to 148,497.68, 222,702.78 and 115,255.28 is: 172,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,497.68 : 222,702.78 = 115,255.28 : x
  2. Step 2: Convert to fraction form
    148,497.68/222,702.78 = 115,255.28/x
  3. Step 3: Cross multiply
    148,497.68x = 222,702.78 × 115,255.28
  4. Step 4: Simplify right side
    148,497.68x = 25,667,671,265.68
  5. Step 5: Solve for x
    x = 25,667,671,265.68/148,497.68
  6. Step 6: Final answer
    x = 172,848.97

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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.