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Finding the Fourth Proportional to 78,833.60, 118,250.40 and 32,062.40

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Solution

The fourth proportional to 78,833.60, 118,250.40 and 32,062.40 is: 48,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.60 : 118,250.40 = 32,062.40 : x
  2. Step 2: Convert to fraction form
    78,833.60/118,250.40 = 32,062.40/x
  3. Step 3: Cross multiply
    78,833.60x = 118,250.40 × 32,062.40
  4. Step 4: Simplify right side
    78,833.60x = 3,791,391,624.96
  5. Step 5: Solve for x
    x = 3,791,391,624.96/78,833.60
  6. Step 6: Final answer
    x = 48,093.60

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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.