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Finding the Fourth Proportional to 112,379.60, 168,350.70 and 62,370.20

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Solution

The fourth proportional to 112,379.60, 168,350.70 and 62,370.20 is: 93,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,379.60 : 168,350.70 = 62,370.20 : x
  2. Step 2: Convert to fraction form
    112,379.60/168,350.70 = 62,370.20/x
  3. Step 3: Cross multiply
    112,379.60x = 168,350.70 × 62,370.20
  4. Step 4: Simplify right side
    112,379.60x = 10,500,066,829.14
  5. Step 5: Solve for x
    x = 10,500,066,829.14/112,379.60
  6. Step 6: Final answer
    x = 93,433.92

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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.