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Finding the Fourth Proportional to 276,037.42, 414,143.61 and 98,540.50

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Solution

The fourth proportional to 276,037.42, 414,143.61 and 98,540.50 is: 147,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,037.42 : 414,143.61 = 98,540.50 : x
  2. Step 2: Convert to fraction form
    276,037.42/414,143.61 = 98,540.50/x
  3. Step 3: Cross multiply
    276,037.42x = 414,143.61 × 98,540.50
  4. Step 4: Simplify right side
    276,037.42x = 40,809,918,401.21
  5. Step 5: Solve for x
    x = 40,809,918,401.21/276,037.42
  6. Step 6: Final answer
    x = 147,841.98

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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.