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Finding the Fourth Proportional to 168,632.96, 232,685.87 and 99,712.85

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Solution

The fourth proportional to 168,632.96, 232,685.87 and 99,712.85 is: 137,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,632.96 : 232,685.87 = 99,712.85 : x
  2. Step 2: Convert to fraction form
    168,632.96/232,685.87 = 99,712.85/x
  3. Step 3: Cross multiply
    168,632.96x = 232,685.87 × 99,712.85
  4. Step 4: Simplify right side
    168,632.96x = 23,201,770,244.86
  5. Step 5: Solve for x
    x = 23,201,770,244.86/168,632.96
  6. Step 6: Final answer
    x = 137,587.40

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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.