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Finding the Fourth Proportional to 149,877.47, 224,927.08 and 70,991.88

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Solution

The fourth proportional to 149,877.47, 224,927.08 and 70,991.88 is: 106,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,877.47 : 224,927.08 = 70,991.88 : x
  2. Step 2: Convert to fraction form
    149,877.47/224,927.08 = 70,991.88/x
  3. Step 3: Cross multiply
    149,877.47x = 224,927.08 × 70,991.88
  4. Step 4: Simplify right side
    149,877.47x = 15,967,995,251.15
  5. Step 5: Solve for x
    x = 15,967,995,251.15/149,877.47
  6. Step 6: Final answer
    x = 106,540.33

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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.