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Finding the Fourth Proportional to 242,366.41, 363,385.59 and 84,508.75

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Solution

The fourth proportional to 242,366.41, 363,385.59 and 84,508.75 is: 126,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,366.41 : 363,385.59 = 84,508.75 : x
  2. Step 2: Convert to fraction form
    242,366.41/363,385.59 = 84,508.75/x
  3. Step 3: Cross multiply
    242,366.41x = 363,385.59 × 84,508.75
  4. Step 4: Simplify right side
    242,366.41x = 30,709,261,978.91
  5. Step 5: Solve for x
    x = 30,709,261,978.91/242,366.41
  6. Step 6: Final answer
    x = 126,705.93

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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.