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Finding the Fourth Proportional to 137,950.56, 206,925.84 and 49,200.48

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Solution

The fourth proportional to 137,950.56, 206,925.84 and 49,200.48 is: 73,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,950.56 : 206,925.84 = 49,200.48 : x
  2. Step 2: Convert to fraction form
    137,950.56/206,925.84 = 49,200.48/x
  3. Step 3: Cross multiply
    137,950.56x = 206,925.84 × 49,200.48
  4. Step 4: Simplify right side
    137,950.56x = 10,180,850,652.40
  5. Step 5: Solve for x
    x = 10,180,850,652.40/137,950.56
  6. Step 6: Final answer
    x = 73,800.72

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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.