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Finding the Fourth Proportional to 83,480.60, 125,220.90 and 41,368.70

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Solution

The fourth proportional to 83,480.60, 125,220.90 and 41,368.70 is: 62,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480.60 : 125,220.90 = 41,368.70 : x
  2. Step 2: Convert to fraction form
    83,480.60/125,220.90 = 41,368.70/x
  3. Step 3: Cross multiply
    83,480.60x = 125,220.90 × 41,368.70
  4. Step 4: Simplify right side
    83,480.60x = 5,180,225,845.83
  5. Step 5: Solve for x
    x = 5,180,225,845.83/83,480.60
  6. Step 6: Final answer
    x = 62,053.05

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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.