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Finding the Fourth Proportional to 73,721.16, 101,726.28 and 41,881.14

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Solution

The fourth proportional to 73,721.16, 101,726.28 and 41,881.14 is: 57,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.16 : 101,726.28 = 41,881.14 : x
  2. Step 2: Convert to fraction form
    73,721.16/101,726.28 = 41,881.14/x
  3. Step 3: Cross multiply
    73,721.16x = 101,726.28 × 41,881.14
  4. Step 4: Simplify right side
    73,721.16x = 4,260,412,574.36
  5. Step 5: Solve for x
    x = 4,260,412,574.36/73,721.16
  6. Step 6: Final answer
    x = 57,790.91

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Why These Related Problems?

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