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Finding the Fourth Proportional to 272,952.75, 409,372.65 and 73,225.65

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Solution

The fourth proportional to 272,952.75, 409,372.65 and 73,225.65 is: 109,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,952.75 : 409,372.65 = 73,225.65 : x
  2. Step 2: Convert to fraction form
    272,952.75/409,372.65 = 73,225.65/x
  3. Step 3: Cross multiply
    272,952.75x = 409,372.65 × 73,225.65
  4. Step 4: Simplify right side
    272,952.75x = 29,976,578,388.47
  5. Step 5: Solve for x
    x = 29,976,578,388.47/272,952.75
  6. Step 6: Final answer
    x = 109,823.32

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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.