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Finding the Fourth Proportional to 124,408.80, 186,613.20 and 62,200.80

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Solution

The fourth proportional to 124,408.80, 186,613.20 and 62,200.80 is: 93,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,408.80 : 186,613.20 = 62,200.80 : x
  2. Step 2: Convert to fraction form
    124,408.80/186,613.20 = 62,200.80/x
  3. Step 3: Cross multiply
    124,408.80x = 186,613.20 × 62,200.80
  4. Step 4: Simplify right side
    124,408.80x = 11,607,490,330.56
  5. Step 5: Solve for x
    x = 11,607,490,330.56/124,408.80
  6. Step 6: Final answer
    x = 93,301.20

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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.