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Finding the Fourth Proportional to 168,729.56, 232,851.66 and 93,282.92

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Solution

The fourth proportional to 168,729.56, 232,851.66 and 93,282.92 is: 128,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,729.56 : 232,851.66 = 93,282.92 : x
  2. Step 2: Convert to fraction form
    168,729.56/232,851.66 = 93,282.92/x
  3. Step 3: Cross multiply
    168,729.56x = 232,851.66 × 93,282.92
  4. Step 4: Simplify right side
    168,729.56x = 21,721,083,120.57
  5. Step 5: Solve for x
    x = 21,721,083,120.57/168,729.56
  6. Step 6: Final answer
    x = 128,733.12

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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.