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Finding the Fourth Proportional to 117,764.42, 176,646.71 and 29,017.92

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Solution

The fourth proportional to 117,764.42, 176,646.71 and 29,017.92 is: 43,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,764.42 : 176,646.71 = 29,017.92 : x
  2. Step 2: Convert to fraction form
    117,764.42/176,646.71 = 29,017.92/x
  3. Step 3: Cross multiply
    117,764.42x = 176,646.71 × 29,017.92
  4. Step 4: Simplify right side
    117,764.42x = 5,125,920,099.04
  5. Step 5: Solve for x
    x = 5,125,920,099.04/117,764.42
  6. Step 6: Final answer
    x = 43,526.90

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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.