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Finding the Fourth Proportional to 117,766.42, 176,649.71 and 29,019.92

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Solution

The fourth proportional to 117,766.42, 176,649.71 and 29,019.92 is: 43,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,766.42 : 176,649.71 = 29,019.92 : x
  2. Step 2: Convert to fraction form
    117,766.42/176,649.71 = 29,019.92/x
  3. Step 3: Cross multiply
    117,766.42x = 176,649.71 × 29,019.92
  4. Step 4: Simplify right side
    117,766.42x = 5,126,360,452.22
  5. Step 5: Solve for x
    x = 5,126,360,452.22/117,766.42
  6. Step 6: Final answer
    x = 43,529.90

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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.