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Finding the Fourth Proportional to 73,698.93, 101,704.86 and 41,869.57

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Solution

The fourth proportional to 73,698.93, 101,704.86 and 41,869.57 is: 57,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.93 : 101,704.86 = 41,869.57 : x
  2. Step 2: Convert to fraction form
    73,698.93/101,704.86 = 41,869.57/x
  3. Step 3: Cross multiply
    73,698.93x = 101,704.86 × 41,869.57
  4. Step 4: Simplify right side
    73,698.93x = 4,258,338,545.76
  5. Step 5: Solve for x
    x = 4,258,338,545.76/73,698.93
  6. Step 6: Final answer
    x = 57,780.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.