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Finding the Fourth Proportional to 168,487.52, 232,512.72 and 96,881.60

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Solution

The fourth proportional to 168,487.52, 232,512.72 and 96,881.60 is: 133,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487.52 : 232,512.72 = 96,881.60 : x
  2. Step 2: Convert to fraction form
    168,487.52/232,512.72 = 96,881.60/x
  3. Step 3: Cross multiply
    168,487.52x = 232,512.72 × 96,881.60
  4. Step 4: Simplify right side
    168,487.52x = 22,526,204,333.95
  5. Step 5: Solve for x
    x = 22,526,204,333.95/168,487.52
  6. Step 6: Final answer
    x = 133,696.57

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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.