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Finding the Fourth Proportional to 242,168.34, 363,248.85 and 108,954.52

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Solution

The fourth proportional to 242,168.34, 363,248.85 and 108,954.52 is: 163,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,168.34 : 363,248.85 = 108,954.52 : x
  2. Step 2: Convert to fraction form
    242,168.34/363,248.85 = 108,954.52/x
  3. Step 3: Cross multiply
    242,168.34x = 363,248.85 × 108,954.52
  4. Step 4: Simplify right side
    242,168.34x = 39,577,604,092.30
  5. Step 5: Solve for x
    x = 39,577,604,092.30/242,168.34
  6. Step 6: Final answer
    x = 163,430.14

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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.