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Finding the Fourth Proportional to 95,806.89, 143,699.40 and 25,680.74

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Solution

The fourth proportional to 95,806.89, 143,699.40 and 25,680.74 is: 38,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,806.89 : 143,699.40 = 25,680.74 : x
  2. Step 2: Convert to fraction form
    95,806.89/143,699.40 = 25,680.74/x
  3. Step 3: Cross multiply
    95,806.89x = 143,699.40 × 25,680.74
  4. Step 4: Simplify right side
    95,806.89x = 3,690,306,211.06
  5. Step 5: Solve for x
    x = 3,690,306,211.06/95,806.89
  6. Step 6: Final answer
    x = 38,518.17

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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.