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Finding the Fourth Proportional to 127,542.95, 176,024.39 and 73,114.59

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Solution

The fourth proportional to 127,542.95, 176,024.39 and 73,114.59 is: 100,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,542.95 : 176,024.39 = 73,114.59 : x
  2. Step 2: Convert to fraction form
    127,542.95/176,024.39 = 73,114.59/x
  3. Step 3: Cross multiply
    127,542.95x = 176,024.39 × 73,114.59
  4. Step 4: Simplify right side
    127,542.95x = 12,869,950,739.28
  5. Step 5: Solve for x
    x = 12,869,950,739.28/127,542.95
  6. Step 6: Final answer
    x = 100,906.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.