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Finding the Fourth Proportional to 225,133.44, 337,700.80 and 92,013.72

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Solution

The fourth proportional to 225,133.44, 337,700.80 and 92,013.72 is: 138,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,133.44 : 337,700.80 = 92,013.72 : x
  2. Step 2: Convert to fraction form
    225,133.44/337,700.80 = 92,013.72/x
  3. Step 3: Cross multiply
    225,133.44x = 337,700.80 × 92,013.72
  4. Step 4: Simplify right side
    225,133.44x = 31,073,106,854.98
  5. Step 5: Solve for x
    x = 31,073,106,854.98/225,133.44
  6. Step 6: Final answer
    x = 138,020.84

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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.