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Finding the Fourth Proportional to 71,008.88, 106,411.04 and 48,847.28

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Solution

The fourth proportional to 71,008.88, 106,411.04 and 48,847.28 is: 73,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008.88 : 106,411.04 = 48,847.28 : x
  2. Step 2: Convert to fraction form
    71,008.88/106,411.04 = 48,847.28/x
  3. Step 3: Cross multiply
    71,008.88x = 106,411.04 × 48,847.28
  4. Step 4: Simplify right side
    71,008.88x = 5,197,889,865.97
  5. Step 5: Solve for x
    x = 5,197,889,865.97/71,008.88
  6. Step 6: Final answer
    x = 73,200.56

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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.