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Finding the Fourth Proportional to 242,329.80, 363,552.20 and 76,117.80

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Solution

The fourth proportional to 242,329.80, 363,552.20 and 76,117.80 is: 114,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,329.80 : 363,552.20 = 76,117.80 : x
  2. Step 2: Convert to fraction form
    242,329.80/363,552.20 = 76,117.80/x
  3. Step 3: Cross multiply
    242,329.80x = 363,552.20 × 76,117.80
  4. Step 4: Simplify right side
    242,329.80x = 27,672,793,649.16
  5. Step 5: Solve for x
    x = 27,672,793,649.16/242,329.80
  6. Step 6: Final answer
    x = 114,194.76

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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.