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Finding the Fourth Proportional to 360,721.99, 541,077.49 and 124,066.72

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Solution

The fourth proportional to 360,721.99, 541,077.49 and 124,066.72 is: 186,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,721.99 : 541,077.49 = 124,066.72 : x
  2. Step 2: Convert to fraction form
    360,721.99/541,077.49 = 124,066.72/x
  3. Step 3: Cross multiply
    360,721.99x = 541,077.49 × 124,066.72
  4. Step 4: Simplify right side
    360,721.99x = 67,129,709,450.13
  5. Step 5: Solve for x
    x = 67,129,709,450.13/360,721.99
  6. Step 6: Final answer
    x = 186,098.19

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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.