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Finding the Fourth Proportional to 160,697.88, 240,956.46 and 65,901.96

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Solution

The fourth proportional to 160,697.88, 240,956.46 and 65,901.96 is: 98,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,697.88 : 240,956.46 = 65,901.96 : x
  2. Step 2: Convert to fraction form
    160,697.88/240,956.46 = 65,901.96/x
  3. Step 3: Cross multiply
    160,697.88x = 240,956.46 × 65,901.96
  4. Step 4: Simplify right side
    160,697.88x = 15,879,502,988.66
  5. Step 5: Solve for x
    x = 15,879,502,988.66/160,697.88
  6. Step 6: Final answer
    x = 98,815.88

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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.