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Finding the Fourth Proportional to 101,759.97, 152,608.86 and 70,371.75

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Solution

The fourth proportional to 101,759.97, 152,608.86 and 70,371.75 is: 105,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,759.97 : 152,608.86 = 70,371.75 : x
  2. Step 2: Convert to fraction form
    101,759.97/152,608.86 = 70,371.75/x
  3. Step 3: Cross multiply
    101,759.97x = 152,608.86 × 70,371.75
  4. Step 4: Simplify right side
    101,759.97x = 10,739,352,543.71
  5. Step 5: Solve for x
    x = 10,739,352,543.71/101,759.97
  6. Step 6: Final answer
    x = 105,536.12

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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.