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Finding the Fourth Proportional to 357,882.22, 536,809.29 and 121,224.88

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Solution

The fourth proportional to 357,882.22, 536,809.29 and 121,224.88 is: 181,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,882.22 : 536,809.29 = 121,224.88 : x
  2. Step 2: Convert to fraction form
    357,882.22/536,809.29 = 121,224.88/x
  3. Step 3: Cross multiply
    357,882.22x = 536,809.29 × 121,224.88
  4. Step 4: Simplify right side
    357,882.22x = 65,074,641,763.14
  5. Step 5: Solve for x
    x = 65,074,641,763.14/357,882.22
  6. Step 6: Final answer
    x = 181,832.56

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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.