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Finding the Fourth Proportional to 231,624.70, 347,404.65 and 73,869.10

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Solution

The fourth proportional to 231,624.70, 347,404.65 and 73,869.10 is: 110,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,624.70 : 347,404.65 = 73,869.10 : x
  2. Step 2: Convert to fraction form
    231,624.70/347,404.65 = 73,869.10/x
  3. Step 3: Cross multiply
    231,624.70x = 347,404.65 × 73,869.10
  4. Step 4: Simplify right side
    231,624.70x = 25,662,468,831.32
  5. Step 5: Solve for x
    x = 25,662,468,831.32/231,624.70
  6. Step 6: Final answer
    x = 110,793.32

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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.