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Finding the Fourth Proportional to 113,251.90, 169,877.88 and 33,289.87

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Solution

The fourth proportional to 113,251.90, 169,877.88 and 33,289.87 is: 49,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251.90 : 169,877.88 = 33,289.87 : x
  2. Step 2: Convert to fraction form
    113,251.90/169,877.88 = 33,289.87/x
  3. Step 3: Cross multiply
    113,251.90x = 169,877.88 × 33,289.87
  4. Step 4: Simplify right side
    113,251.90x = 5,655,212,541.08
  5. Step 5: Solve for x
    x = 5,655,212,541.08/113,251.90
  6. Step 6: Final answer
    x = 49,934.81

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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.