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Finding the Fourth Proportional to 160,679.76, 240,964.08 and 65,883.03

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Solution

The fourth proportional to 160,679.76, 240,964.08 and 65,883.03 is: 98,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,679.76 : 240,964.08 = 65,883.03 : x
  2. Step 2: Convert to fraction form
    160,679.76/240,964.08 = 65,883.03/x
  3. Step 3: Cross multiply
    160,679.76x = 240,964.08 × 65,883.03
  4. Step 4: Simplify right side
    160,679.76x = 15,875,443,711.56
  5. Step 5: Solve for x
    x = 15,875,443,711.56/160,679.76
  6. Step 6: Final answer
    x = 98,801.76

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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.