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Finding the Fourth Proportional to 108,876.60, 163,216.44 and 75,612.30

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Solution

The fourth proportional to 108,876.60, 163,216.44 and 75,612.30 is: 113,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.60 : 163,216.44 = 75,612.30 : x
  2. Step 2: Convert to fraction form
    108,876.60/163,216.44 = 75,612.30/x
  3. Step 3: Cross multiply
    108,876.60x = 163,216.44 × 75,612.30
  4. Step 4: Simplify right side
    108,876.60x = 12,341,170,426.21
  5. Step 5: Solve for x
    x = 12,341,170,426.21/108,876.60
  6. Step 6: Final answer
    x = 113,350.07

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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.