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Finding the Fourth Proportional to 250,373.68, 375,621.96 and 72,882.28

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Solution

The fourth proportional to 250,373.68, 375,621.96 and 72,882.28 is: 109,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,373.68 : 375,621.96 = 72,882.28 : x
  2. Step 2: Convert to fraction form
    250,373.68/375,621.96 = 72,882.28/x
  3. Step 3: Cross multiply
    250,373.68x = 375,621.96 × 72,882.28
  4. Step 4: Simplify right side
    250,373.68x = 27,376,184,862.87
  5. Step 5: Solve for x
    x = 27,376,184,862.87/250,373.68
  6. Step 6: Final answer
    x = 109,341.30

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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.