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Finding the Fourth Proportional to 168,478.50, 232,500.30 and 96,872.60

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Solution

The fourth proportional to 168,478.50, 232,500.30 and 96,872.60 is: 133,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,478.50 : 232,500.30 = 96,872.60 : x
  2. Step 2: Convert to fraction form
    168,478.50/232,500.30 = 96,872.60/x
  3. Step 3: Cross multiply
    168,478.50x = 232,500.30 × 96,872.60
  4. Step 4: Simplify right side
    168,478.50x = 22,522,908,561.78
  5. Step 5: Solve for x
    x = 22,522,908,561.78/168,478.50
  6. Step 6: Final answer
    x = 133,684.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.