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Finding the Fourth Proportional to 242,134.52, 363,201.77 and 108,989.96

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Solution

The fourth proportional to 242,134.52, 363,201.77 and 108,989.96 is: 163,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,134.52 : 363,201.77 = 108,989.96 : x
  2. Step 2: Convert to fraction form
    242,134.52/363,201.77 = 108,989.96/x
  3. Step 3: Cross multiply
    242,134.52x = 363,201.77 × 108,989.96
  4. Step 4: Simplify right side
    242,134.52x = 39,585,344,840.70
  5. Step 5: Solve for x
    x = 39,585,344,840.70/242,134.52
  6. Step 6: Final answer
    x = 163,484.93

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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.