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Finding the Fourth Proportional to 83,177.79, 124,850.79 and 73,750.47

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Solution

The fourth proportional to 83,177.79, 124,850.79 and 73,750.47 is: 110,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.79 : 124,850.79 = 73,750.47 : x
  2. Step 2: Convert to fraction form
    83,177.79/124,850.79 = 73,750.47/x
  3. Step 3: Cross multiply
    83,177.79x = 124,850.79 × 73,750.47
  4. Step 4: Simplify right side
    83,177.79x = 9,207,804,442.37
  5. Step 5: Solve for x
    x = 9,207,804,442.37/83,177.79
  6. Step 6: Final answer
    x = 110,700.28

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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.