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Finding the Fourth Proportional to 160,662.32, 240,937.87 and 65,865.59

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Solution

The fourth proportional to 160,662.32, 240,937.87 and 65,865.59 is: 98,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,662.32 : 240,937.87 = 65,865.59 : x
  2. Step 2: Convert to fraction form
    160,662.32/240,937.87 = 65,865.59/x
  3. Step 3: Cross multiply
    160,662.32x = 240,937.87 × 65,865.59
  4. Step 4: Simplify right side
    160,662.32x = 15,869,514,960.89
  5. Step 5: Solve for x
    x = 15,869,514,960.89/160,662.32
  6. Step 6: Final answer
    x = 98,775.59

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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.