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Finding the Fourth Proportional to 101,788.38, 152,704.71 and 42,593.58

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Solution

The fourth proportional to 101,788.38, 152,704.71 and 42,593.58 is: 63,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,788.38 : 152,704.71 = 42,593.58 : x
  2. Step 2: Convert to fraction form
    101,788.38/152,704.71 = 42,593.58/x
  3. Step 3: Cross multiply
    101,788.38x = 152,704.71 × 42,593.58
  4. Step 4: Simplify right side
    101,788.38x = 6,504,240,281.76
  5. Step 5: Solve for x
    x = 6,504,240,281.76/101,788.38
  6. Step 6: Final answer
    x = 63,899.63

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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.