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Finding the Fourth Proportional to 83,259.40, 124,889.10 and 27,104.80

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Solution

The fourth proportional to 83,259.40, 124,889.10 and 27,104.80 is: 40,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,259.40 : 124,889.10 = 27,104.80 : x
  2. Step 2: Convert to fraction form
    83,259.40/124,889.10 = 27,104.80/x
  3. Step 3: Cross multiply
    83,259.40x = 124,889.10 × 27,104.80
  4. Step 4: Simplify right side
    83,259.40x = 3,385,094,077.68
  5. Step 5: Solve for x
    x = 3,385,094,077.68/83,259.40
  6. Step 6: Final answer
    x = 40,657.20

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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.