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Finding the Fourth Proportional to 98,169.60, 147,327.30 and 39,047.70

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Solution

The fourth proportional to 98,169.60, 147,327.30 and 39,047.70 is: 58,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,169.60 : 147,327.30 = 39,047.70 : x
  2. Step 2: Convert to fraction form
    98,169.60/147,327.30 = 39,047.70/x
  3. Step 3: Cross multiply
    98,169.60x = 147,327.30 × 39,047.70
  4. Step 4: Simplify right side
    98,169.60x = 5,752,792,212.21
  5. Step 5: Solve for x
    x = 5,752,792,212.21/98,169.60
  6. Step 6: Final answer
    x = 58,600.55

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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.