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Finding the Fourth Proportional to 101,718.96, 152,611.56 and 49,134.48

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Solution

The fourth proportional to 101,718.96, 152,611.56 and 49,134.48 is: 73,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,718.96 : 152,611.56 = 49,134.48 : x
  2. Step 2: Convert to fraction form
    101,718.96/152,611.56 = 49,134.48/x
  3. Step 3: Cross multiply
    101,718.96x = 152,611.56 × 49,134.48
  4. Step 4: Simplify right side
    101,718.96x = 7,498,489,642.59
  5. Step 5: Solve for x
    x = 7,498,489,642.59/101,718.96
  6. Step 6: Final answer
    x = 73,717.72

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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.