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Finding the Fourth Proportional to 147,236, 220,849.14 and 47,401.88

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Solution

The fourth proportional to 147,236, 220,849.14 and 47,401.88 is: 71,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,236 : 220,849.14 = 47,401.88 : x
  2. Step 2: Convert to fraction form
    147,236/220,849.14 = 47,401.88/x
  3. Step 3: Cross multiply
    147,236x = 220,849.14 × 47,401.88
  4. Step 4: Simplify right side
    147,236x = 10,468,664,432.38
  5. Step 5: Solve for x
    x = 10,468,664,432.38/147,236
  6. Step 6: Final answer
    x = 71,101.26

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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.