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Finding the Fourth Proportional to 160,570.68, 241,005.46 and 81,743.92

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Solution

The fourth proportional to 160,570.68, 241,005.46 and 81,743.92 is: 122,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,570.68 : 241,005.46 = 81,743.92 : x
  2. Step 2: Convert to fraction form
    160,570.68/241,005.46 = 81,743.92/x
  3. Step 3: Cross multiply
    160,570.68x = 241,005.46 × 81,743.92
  4. Step 4: Simplify right side
    160,570.68x = 19,700,731,041.80
  5. Step 5: Solve for x
    x = 19,700,731,041.80/160,570.68
  6. Step 6: Final answer
    x = 122,691.96

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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.