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Finding the Fourth Proportional to 240,317.17, 360,471.80 and 71,837.89

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Solution

The fourth proportional to 240,317.17, 360,471.80 and 71,837.89 is: 107,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,317.17 : 360,471.80 = 71,837.89 : x
  2. Step 2: Convert to fraction form
    240,317.17/360,471.80 = 71,837.89/x
  3. Step 3: Cross multiply
    240,317.17x = 360,471.80 × 71,837.89
  4. Step 4: Simplify right side
    240,317.17x = 25,895,533,157.31
  5. Step 5: Solve for x
    x = 25,895,533,157.31/240,317.17
  6. Step 6: Final answer
    x = 107,755.65

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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.