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Finding the Fourth Proportional to 83,244.88, 124,808.88 and 30,647.60

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Solution

The fourth proportional to 83,244.88, 124,808.88 and 30,647.60 is: 45,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,244.88 : 124,808.88 = 30,647.60 : x
  2. Step 2: Convert to fraction form
    83,244.88/124,808.88 = 30,647.60/x
  3. Step 3: Cross multiply
    83,244.88x = 124,808.88 × 30,647.60
  4. Step 4: Simplify right side
    83,244.88x = 3,825,092,630.69
  5. Step 5: Solve for x
    x = 3,825,092,630.69/83,244.88
  6. Step 6: Final answer
    x = 45,949.88

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1.5x scale

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.