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Finding the Fourth Proportional to 160,624.76, 241,046.28 and 85,798.71

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Solution

The fourth proportional to 160,624.76, 241,046.28 and 85,798.71 is: 128,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,624.76 : 241,046.28 = 85,798.71 : x
  2. Step 2: Convert to fraction form
    160,624.76/241,046.28 = 85,798.71/x
  3. Step 3: Cross multiply
    160,624.76x = 241,046.28 × 85,798.71
  4. Step 4: Simplify right side
    160,624.76x = 20,681,459,874.30
  5. Step 5: Solve for x
    x = 20,681,459,874.30/160,624.76
  6. Step 6: Final answer
    x = 128,756.37

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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.