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Finding the Fourth Proportional to 127,747.01, 191,620.52 and 48,885.41

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Solution

The fourth proportional to 127,747.01, 191,620.52 and 48,885.41 is: 73,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,747.01 : 191,620.52 = 48,885.41 : x
  2. Step 2: Convert to fraction form
    127,747.01/191,620.52 = 48,885.41/x
  3. Step 3: Cross multiply
    127,747.01x = 191,620.52 × 48,885.41
  4. Step 4: Simplify right side
    127,747.01x = 9,367,447,684.61
  5. Step 5: Solve for x
    x = 9,367,447,684.61/127,747.01
  6. Step 6: Final answer
    x = 73,328.12

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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.