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Finding the Fourth Proportional to 137,955.99, 206,890.23 and 59,049.03

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Solution

The fourth proportional to 137,955.99, 206,890.23 and 59,049.03 is: 88,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,955.99 : 206,890.23 = 59,049.03 : x
  2. Step 2: Convert to fraction form
    137,955.99/206,890.23 = 59,049.03/x
  3. Step 3: Cross multiply
    137,955.99x = 206,890.23 × 59,049.03
  4. Step 4: Simplify right side
    137,955.99x = 12,216,667,397.98
  5. Step 5: Solve for x
    x = 12,216,667,397.98/137,955.99
  6. Step 6: Final answer
    x = 88,554.82

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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.