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Finding the Fourth Proportional to 73,744.41, 101,767.28 and 40,210.41

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Solution

The fourth proportional to 73,744.41, 101,767.28 and 40,210.41 is: 55,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744.41 : 101,767.28 = 40,210.41 : x
  2. Step 2: Convert to fraction form
    73,744.41/101,767.28 = 40,210.41/x
  3. Step 3: Cross multiply
    73,744.41x = 101,767.28 × 40,210.41
  4. Step 4: Simplify right side
    73,744.41x = 4,092,103,852.33
  5. Step 5: Solve for x
    x = 4,092,103,852.33/73,744.41
  6. Step 6: Final answer
    x = 55,490.36

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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.