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Finding the Fourth Proportional to 104,956.67, 157,459.60 and 41,780.65

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Solution

The fourth proportional to 104,956.67, 157,459.60 and 41,780.65 is: 62,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.67 : 157,459.60 = 41,780.65 : x
  2. Step 2: Convert to fraction form
    104,956.67/157,459.60 = 41,780.65/x
  3. Step 3: Cross multiply
    104,956.67x = 157,459.60 × 41,780.65
  4. Step 4: Simplify right side
    104,956.67x = 6,578,764,095.32
  5. Step 5: Solve for x
    x = 6,578,764,095.32/104,956.67
  6. Step 6: Final answer
    x = 62,680.77

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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.