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Finding the Fourth Proportional to 131,240.60, 196,854.02 and 37,742.68

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Solution

The fourth proportional to 131,240.60, 196,854.02 and 37,742.68 is: 56,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,240.60 : 196,854.02 = 37,742.68 : x
  2. Step 2: Convert to fraction form
    131,240.60/196,854.02 = 37,742.68/x
  3. Step 3: Cross multiply
    131,240.60x = 196,854.02 × 37,742.68
  4. Step 4: Simplify right side
    131,240.60x = 7,429,798,283.57
  5. Step 5: Solve for x
    x = 7,429,798,283.57/131,240.60
  6. Step 6: Final answer
    x = 56,612.04

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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.