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Finding the Fourth Proportional to 137,446.33, 206,201.76 and 42,671.67

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Solution

The fourth proportional to 137,446.33, 206,201.76 and 42,671.67 is: 64,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,446.33 : 206,201.76 = 42,671.67 : x
  2. Step 2: Convert to fraction form
    137,446.33/206,201.76 = 42,671.67/x
  3. Step 3: Cross multiply
    137,446.33x = 206,201.76 × 42,671.67
  4. Step 4: Simplify right side
    137,446.33x = 8,798,973,456.14
  5. Step 5: Solve for x
    x = 8,798,973,456.14/137,446.33
  6. Step 6: Final answer
    x = 64,017.52

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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.