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Finding the Fourth Proportional to 73,231.90, 101,061.72 and 41,402.68

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Solution

The fourth proportional to 73,231.90, 101,061.72 and 41,402.68 is: 57,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,231.90 : 101,061.72 = 41,402.68 : x
  2. Step 2: Convert to fraction form
    73,231.90/101,061.72 = 41,402.68/x
  3. Step 3: Cross multiply
    73,231.90x = 101,061.72 × 41,402.68
  4. Step 4: Simplify right side
    73,231.90x = 4,184,226,053.41
  5. Step 5: Solve for x
    x = 4,184,226,053.41/73,231.90
  6. Step 6: Final answer
    x = 57,136.66

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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.