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Finding the Fourth Proportional to 127,903.60, 191,797.04 and 61,375.04

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Solution

The fourth proportional to 127,903.60, 191,797.04 and 61,375.04 is: 92,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,903.60 : 191,797.04 = 61,375.04 : x
  2. Step 2: Convert to fraction form
    127,903.60/191,797.04 = 61,375.04/x
  3. Step 3: Cross multiply
    127,903.60x = 191,797.04 × 61,375.04
  4. Step 4: Simplify right side
    127,903.60x = 11,771,551,001.88
  5. Step 5: Solve for x
    x = 11,771,551,001.88/127,903.60
  6. Step 6: Final answer
    x = 92,034.56

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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.