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Finding the Fourth Proportional to 168,641.12, 232,729.44 and 93,194.48

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Solution

The fourth proportional to 168,641.12, 232,729.44 and 93,194.48 is: 128,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,641.12 : 232,729.44 = 93,194.48 : x
  2. Step 2: Convert to fraction form
    168,641.12/232,729.44 = 93,194.48/x
  3. Step 3: Cross multiply
    168,641.12x = 232,729.44 × 93,194.48
  4. Step 4: Simplify right side
    168,641.12x = 21,689,099,141.49
  5. Step 5: Solve for x
    x = 21,689,099,141.49/168,641.12
  6. Step 6: Final answer
    x = 128,610.98

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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.