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Finding the Fourth Proportional to 101,859.77, 152,797.82 and 38,710.15

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Solution

The fourth proportional to 101,859.77, 152,797.82 and 38,710.15 is: 58,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859.77 : 152,797.82 = 38,710.15 : x
  2. Step 2: Convert to fraction form
    101,859.77/152,797.82 = 38,710.15/x
  3. Step 3: Cross multiply
    101,859.77x = 152,797.82 × 38,710.15
  4. Step 4: Simplify right side
    101,859.77x = 5,914,826,531.87
  5. Step 5: Solve for x
    x = 5,914,826,531.87/101,859.77
  6. Step 6: Final answer
    x = 58,068.33

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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.