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Finding the Fourth Proportional to 124,215.66, 186,201.99 and 49,310.91

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Solution

The fourth proportional to 124,215.66, 186,201.99 and 49,310.91 is: 73,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,215.66 : 186,201.99 = 49,310.91 : x
  2. Step 2: Convert to fraction form
    124,215.66/186,201.99 = 49,310.91/x
  3. Step 3: Cross multiply
    124,215.66x = 186,201.99 × 49,310.91
  4. Step 4: Simplify right side
    124,215.66x = 9,181,789,570.71
  5. Step 5: Solve for x
    x = 9,181,789,570.71/124,215.66
  6. Step 6: Final answer
    x = 73,918.13

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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.