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Finding the Fourth Proportional to 73,061.60, 100,823.28 and 41,231.84

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Solution

The fourth proportional to 73,061.60, 100,823.28 and 41,231.84 is: 56,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,061.60 : 100,823.28 = 41,231.84 : x
  2. Step 2: Convert to fraction form
    73,061.60/100,823.28 = 41,231.84/x
  3. Step 3: Cross multiply
    73,061.60x = 100,823.28 × 41,231.84
  4. Step 4: Simplify right side
    73,061.60x = 4,157,129,349.24
  5. Step 5: Solve for x
    x = 4,157,129,349.24/73,061.60
  6. Step 6: Final answer
    x = 56,898.96

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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.