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Finding the Fourth Proportional to 127,823.20, 191,734.80 and 127,823.20

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Solution

The fourth proportional to 127,823.20, 191,734.80 and 127,823.20 is: 191,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.20 : 191,734.80 = 127,823.20 : x
  2. Step 2: Convert to fraction form
    127,823.20/191,734.80 = 127,823.20/x
  3. Step 3: Cross multiply
    127,823.20x = 191,734.80 × 127,823.20
  4. Step 4: Simplify right side
    127,823.20x = 24,508,155,687.36
  5. Step 5: Solve for x
    x = 24,508,155,687.36/127,823.20
  6. Step 6: Final answer
    x = 191,734.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.