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Finding the Fourth Proportional to 242,188.46, 363,334.98 and 73,721.96

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Solution

The fourth proportional to 242,188.46, 363,334.98 and 73,721.96 is: 110,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,188.46 : 363,334.98 = 73,721.96 : x
  2. Step 2: Convert to fraction form
    242,188.46/363,334.98 = 73,721.96/x
  3. Step 3: Cross multiply
    242,188.46x = 363,334.98 × 73,721.96
  4. Step 4: Simplify right side
    242,188.46x = 26,785,766,862.16
  5. Step 5: Solve for x
    x = 26,785,766,862.16/242,188.46
  6. Step 6: Final answer
    x = 110,598.86

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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.