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Finding the Fourth Proportional to 113,566.68, 170,131.68 and 63,494.91

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Solution

The fourth proportional to 113,566.68, 170,131.68 and 63,494.91 is: 95,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,566.68 : 170,131.68 = 63,494.91 : x
  2. Step 2: Convert to fraction form
    113,566.68/170,131.68 = 63,494.91/x
  3. Step 3: Cross multiply
    113,566.68x = 170,131.68 × 63,494.91
  4. Step 4: Simplify right side
    113,566.68x = 10,802,495,709.75
  5. Step 5: Solve for x
    x = 10,802,495,709.75/113,566.68
  6. Step 6: Final answer
    x = 95,120.29

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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.