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Finding the Fourth Proportional to 116,374.26, 160,614.72 and 68,632.86

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Solution

The fourth proportional to 116,374.26, 160,614.72 and 68,632.86 is: 94,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,374.26 : 160,614.72 = 68,632.86 : x
  2. Step 2: Convert to fraction form
    116,374.26/160,614.72 = 68,632.86/x
  3. Step 3: Cross multiply
    116,374.26x = 160,614.72 × 68,632.86
  4. Step 4: Simplify right side
    116,374.26x = 11,023,447,591.70
  5. Step 5: Solve for x
    x = 11,023,447,591.70/116,374.26
  6. Step 6: Final answer
    x = 94,724.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.