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Finding the Fourth Proportional to 60,848.24, 91,178.28 and 47,489.56

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Solution

The fourth proportional to 60,848.24, 91,178.28 and 47,489.56 is: 71,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,848.24 : 91,178.28 = 47,489.56 : x
  2. Step 2: Convert to fraction form
    60,848.24/91,178.28 = 47,489.56/x
  3. Step 3: Cross multiply
    60,848.24x = 91,178.28 × 47,489.56
  4. Step 4: Simplify right side
    60,848.24x = 4,330,016,398.76
  5. Step 5: Solve for x
    x = 4,330,016,398.76/60,848.24
  6. Step 6: Final answer
    x = 71,160.91

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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.