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Finding the Fourth Proportional to 124,083.99, 186,187.49 and 49,202.53

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Solution

The fourth proportional to 124,083.99, 186,187.49 and 49,202.53 is: 73,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,083.99 : 186,187.49 = 49,202.53 : x
  2. Step 2: Convert to fraction form
    124,083.99/186,187.49 = 49,202.53/x
  3. Step 3: Cross multiply
    124,083.99x = 186,187.49 × 49,202.53
  4. Step 4: Simplify right side
    124,083.99x = 9,160,895,562.35
  5. Step 5: Solve for x
    x = 9,160,895,562.35/124,083.99
  6. Step 6: Final answer
    x = 73,828.18

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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.