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Finding the Fourth Proportional to 160,217.52, 240,323.67 and 65,426.88

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Solution

The fourth proportional to 160,217.52, 240,323.67 and 65,426.88 is: 98,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,217.52 : 240,323.67 = 65,426.88 : x
  2. Step 2: Convert to fraction form
    160,217.52/240,323.67 = 65,426.88/x
  3. Step 3: Cross multiply
    160,217.52x = 240,323.67 × 65,426.88
  4. Step 4: Simplify right side
    160,217.52x = 15,723,627,918.25
  5. Step 5: Solve for x
    x = 15,723,627,918.25/160,217.52
  6. Step 6: Final answer
    x = 98,139.25

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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.