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Finding the Fourth Proportional to 168,461.24, 232,470.38 and 91,978.92

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Solution

The fourth proportional to 168,461.24, 232,470.38 and 91,978.92 is: 126,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,461.24 : 232,470.38 = 91,978.92 : x
  2. Step 2: Convert to fraction form
    168,461.24/232,470.38 = 91,978.92/x
  3. Step 3: Cross multiply
    168,461.24x = 232,470.38 × 91,978.92
  4. Step 4: Simplify right side
    168,461.24x = 21,382,374,714.34
  5. Step 5: Solve for x
    x = 21,382,374,714.34/168,461.24
  6. Step 6: Final answer
    x = 126,927.57

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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.