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Finding the Fourth Proportional to 146,880.08, 220,447.80 and 80,380.88

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Solution

The fourth proportional to 146,880.08, 220,447.80 and 80,380.88 is: 120,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,880.08 : 220,447.80 = 80,380.88 : x
  2. Step 2: Convert to fraction form
    146,880.08/220,447.80 = 80,380.88/x
  3. Step 3: Cross multiply
    146,880.08x = 220,447.80 × 80,380.88
  4. Step 4: Simplify right side
    146,880.08x = 17,719,788,158.06
  5. Step 5: Solve for x
    x = 17,719,788,158.06/146,880.08
  6. Step 6: Final answer
    x = 120,641.19

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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.