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Finding the Fourth Proportional to 83,266.98, 124,941.45 and 38,887.29

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Solution

The fourth proportional to 83,266.98, 124,941.45 and 38,887.29 is: 58,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266.98 : 124,941.45 = 38,887.29 : x
  2. Step 2: Convert to fraction form
    83,266.98/124,941.45 = 38,887.29/x
  3. Step 3: Cross multiply
    83,266.98x = 124,941.45 × 38,887.29
  4. Step 4: Simplify right side
    83,266.98x = 4,858,634,399.17
  5. Step 5: Solve for x
    x = 4,858,634,399.17/83,266.98
  6. Step 6: Final answer
    x = 58,350.07

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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.