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Finding the Fourth Proportional to 160,755.12, 240,945.84 and 60,851.52

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Solution

The fourth proportional to 160,755.12, 240,945.84 and 60,851.52 is: 91,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,755.12 : 240,945.84 = 60,851.52 : x
  2. Step 2: Convert to fraction form
    160,755.12/240,945.84 = 60,851.52/x
  3. Step 3: Cross multiply
    160,755.12x = 240,945.84 × 60,851.52
  4. Step 4: Simplify right side
    160,755.12x = 14,661,920,601.68
  5. Step 5: Solve for x
    x = 14,661,920,601.68/160,755.12
  6. Step 6: Final answer
    x = 91,206.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.