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Finding the Fourth Proportional to 247,006.44, 371,005.65 and 147,361.32

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Solution

The fourth proportional to 247,006.44, 371,005.65 and 147,361.32 is: 221,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006.44 : 371,005.65 = 147,361.32 : x
  2. Step 2: Convert to fraction form
    247,006.44/371,005.65 = 147,361.32/x
  3. Step 3: Cross multiply
    247,006.44x = 371,005.65 × 147,361.32
  4. Step 4: Simplify right side
    247,006.44x = 54,671,882,311.46
  5. Step 5: Solve for x
    x = 54,671,882,311.46/247,006.44
  6. Step 6: Final answer
    x = 221,337.88

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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.