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Finding the Fourth Proportional to 63,905.40, 95,858.10 and 60,276.60

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Solution

The fourth proportional to 63,905.40, 95,858.10 and 60,276.60 is: 90,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905.40 : 95,858.10 = 60,276.60 : x
  2. Step 2: Convert to fraction form
    63,905.40/95,858.10 = 60,276.60/x
  3. Step 3: Cross multiply
    63,905.40x = 95,858.10 × 60,276.60
  4. Step 4: Simplify right side
    63,905.40x = 5,778,000,350.46
  5. Step 5: Solve for x
    x = 5,778,000,350.46/63,905.40
  6. Step 6: Final answer
    x = 90,414.90

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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.