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Finding the Fourth Proportional to 71,009.88, 106,412.54 and 48,848.28

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Solution

The fourth proportional to 71,009.88, 106,412.54 and 48,848.28 is: 73,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009.88 : 106,412.54 = 48,848.28 : x
  2. Step 2: Convert to fraction form
    71,009.88/106,412.54 = 48,848.28/x
  3. Step 3: Cross multiply
    71,009.88x = 106,412.54 × 48,848.28
  4. Step 4: Simplify right side
    71,009.88x = 5,198,069,549.43
  5. Step 5: Solve for x
    x = 5,198,069,549.43/71,009.88
  6. Step 6: Final answer
    x = 73,202.06

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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.