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Finding the Fourth Proportional to 137,525.54, 206,248.29 and 53,266.91

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Solution

The fourth proportional to 137,525.54, 206,248.29 and 53,266.91 is: 79,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,525.54 : 206,248.29 = 53,266.91 : x
  2. Step 2: Convert to fraction form
    137,525.54/206,248.29 = 53,266.91/x
  3. Step 3: Cross multiply
    137,525.54x = 206,248.29 × 53,266.91
  4. Step 4: Simplify right side
    137,525.54x = 10,986,209,101.08
  5. Step 5: Solve for x
    x = 10,986,209,101.08/137,525.54
  6. Step 6: Final answer
    x = 79,884.86

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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.