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Finding the Fourth Proportional to 137,711.10, 206,566.65 and 49,064.70

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Solution

The fourth proportional to 137,711.10, 206,566.65 and 49,064.70 is: 73,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,711.10 : 206,566.65 = 49,064.70 : x
  2. Step 2: Convert to fraction form
    137,711.10/206,566.65 = 49,064.70/x
  3. Step 3: Cross multiply
    137,711.10x = 206,566.65 × 49,064.70
  4. Step 4: Simplify right side
    137,711.10x = 10,135,130,712.26
  5. Step 5: Solve for x
    x = 10,135,130,712.26/137,711.10
  6. Step 6: Final answer
    x = 73,597.05

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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.