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Finding the Fourth Proportional to 581,892.88, 872,840.40 and 161,169.88

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Solution

The fourth proportional to 581,892.88, 872,840.40 and 161,169.88 is: 241,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,892.88 : 872,840.40 = 161,169.88 : x
  2. Step 2: Convert to fraction form
    581,892.88/872,840.40 = 161,169.88/x
  3. Step 3: Cross multiply
    581,892.88x = 872,840.40 × 161,169.88
  4. Step 4: Simplify right side
    581,892.88x = 140,675,582,527.15
  5. Step 5: Solve for x
    x = 140,675,582,527.15/581,892.88
  6. Step 6: Final answer
    x = 241,755.12

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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.