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Finding the Fourth Proportional to 83,119.60, 124,679.40 and 41,647.60

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Solution

The fourth proportional to 83,119.60, 124,679.40 and 41,647.60 is: 62,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,119.60 : 124,679.40 = 41,647.60 : x
  2. Step 2: Convert to fraction form
    83,119.60/124,679.40 = 41,647.60/x
  3. Step 3: Cross multiply
    83,119.60x = 124,679.40 × 41,647.60
  4. Step 4: Simplify right side
    83,119.60x = 5,192,597,779.44
  5. Step 5: Solve for x
    x = 5,192,597,779.44/83,119.60
  6. Step 6: Final answer
    x = 62,471.40

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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.