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Finding the Fourth Proportional to 124,191.95, 186,183.44 and 54,018.41

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Solution

The fourth proportional to 124,191.95, 186,183.44 and 54,018.41 is: 80,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191.95 : 186,183.44 = 54,018.41 : x
  2. Step 2: Convert to fraction form
    124,191.95/186,183.44 = 54,018.41/x
  3. Step 3: Cross multiply
    124,191.95x = 186,183.44 × 54,018.41
  4. Step 4: Simplify right side
    124,191.95x = 10,057,333,127.04
  5. Step 5: Solve for x
    x = 10,057,333,127.04/124,191.95
  6. Step 6: Final answer
    x = 80,982.17

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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.