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Finding the Fourth Proportional to 122,248.38, 168,699.87 and 67,800.32

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Solution

The fourth proportional to 122,248.38, 168,699.87 and 67,800.32 is: 93,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,248.38 : 168,699.87 = 67,800.32 : x
  2. Step 2: Convert to fraction form
    122,248.38/168,699.87 = 67,800.32/x
  3. Step 3: Cross multiply
    122,248.38x = 168,699.87 × 67,800.32
  4. Step 4: Simplify right side
    122,248.38x = 11,437,904,326.46
  5. Step 5: Solve for x
    x = 11,437,904,326.46/122,248.38
  6. Step 6: Final answer
    x = 93,562.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.