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Finding the Fourth Proportional to 79,517.60, 119,276.40 and 32,746.40

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Solution

The fourth proportional to 79,517.60, 119,276.40 and 32,746.40 is: 49,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,517.60 : 119,276.40 = 32,746.40 : x
  2. Step 2: Convert to fraction form
    79,517.60/119,276.40 = 32,746.40/x
  3. Step 3: Cross multiply
    79,517.60x = 119,276.40 × 32,746.40
  4. Step 4: Simplify right side
    79,517.60x = 3,905,872,704.96
  5. Step 5: Solve for x
    x = 3,905,872,704.96/79,517.60
  6. Step 6: Final answer
    x = 49,119.60

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1.5x scale

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.