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Finding the Fourth Proportional to 247,211.64, 370,952.02 and 105,034.68

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Solution

The fourth proportional to 247,211.64, 370,952.02 and 105,034.68 is: 157,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,211.64 : 370,952.02 = 105,034.68 : x
  2. Step 2: Convert to fraction form
    247,211.64/370,952.02 = 105,034.68/x
  3. Step 3: Cross multiply
    247,211.64x = 370,952.02 × 105,034.68
  4. Step 4: Simplify right side
    247,211.64x = 38,962,826,716.05
  5. Step 5: Solve for x
    x = 38,962,826,716.05/247,211.64
  6. Step 6: Final answer
    x = 157,609.19

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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.