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Finding the Fourth Proportional to 83,807.48, 125,710.89 and 33,886.97

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Solution

The fourth proportional to 83,807.48, 125,710.89 and 33,886.97 is: 50,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,807.48 : 125,710.89 = 33,886.97 : x
  2. Step 2: Convert to fraction form
    83,807.48/125,710.89 = 33,886.97/x
  3. Step 3: Cross multiply
    83,807.48x = 125,710.89 × 33,886.97
  4. Step 4: Simplify right side
    83,807.48x = 4,259,961,158.10
  5. Step 5: Solve for x
    x = 4,259,961,158.10/83,807.48
  6. Step 6: Final answer
    x = 50,830.32

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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.