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Finding the Fourth Proportional to 124,481.60, 186,722.40 and 41,364.80

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Solution

The fourth proportional to 124,481.60, 186,722.40 and 41,364.80 is: 62,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481.60 : 186,722.40 = 41,364.80 : x
  2. Step 2: Convert to fraction form
    124,481.60/186,722.40 = 41,364.80/x
  3. Step 3: Cross multiply
    124,481.60x = 186,722.40 × 41,364.80
  4. Step 4: Simplify right side
    124,481.60x = 7,723,734,731.52
  5. Step 5: Solve for x
    x = 7,723,734,731.52/124,481.60
  6. Step 6: Final answer
    x = 62,047.20

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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.