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Finding the Fourth Proportional to 113,138.42, 169,779.22 and 63,251.24

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Solution

The fourth proportional to 113,138.42, 169,779.22 and 63,251.24 is: 94,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.42 : 169,779.22 = 63,251.24 : x
  2. Step 2: Convert to fraction form
    113,138.42/169,779.22 = 63,251.24/x
  3. Step 3: Cross multiply
    113,138.42x = 169,779.22 × 63,251.24
  4. Step 4: Simplify right side
    113,138.42x = 10,738,746,191.23
  5. Step 5: Solve for x
    x = 10,738,746,191.23/113,138.42
  6. Step 6: Final answer
    x = 94,916.88

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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.