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Finding the Fourth Proportional to 168,615.75, 232,689.87 and 93,164.25

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Solution

The fourth proportional to 168,615.75, 232,689.87 and 93,164.25 is: 128,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,615.75 : 232,689.87 = 93,164.25 : x
  2. Step 2: Convert to fraction form
    168,615.75/232,689.87 = 93,164.25/x
  3. Step 3: Cross multiply
    168,615.75x = 232,689.87 × 93,164.25
  4. Step 4: Simplify right side
    168,615.75x = 21,678,377,221.15
  5. Step 5: Solve for x
    x = 21,678,377,221.15/168,615.75
  6. Step 6: Final answer
    x = 128,566.74

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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.