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Finding the Fourth Proportional to 101,595.70, 140,269.88 and 63,370.58

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Solution

The fourth proportional to 101,595.70, 140,269.88 and 63,370.58 is: 87,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,595.70 : 140,269.88 = 63,370.58 : x
  2. Step 2: Convert to fraction form
    101,595.70/140,269.88 = 63,370.58/x
  3. Step 3: Cross multiply
    101,595.70x = 140,269.88 × 63,370.58
  4. Step 4: Simplify right side
    101,595.70x = 8,888,983,685.95
  5. Step 5: Solve for x
    x = 8,888,983,685.95/101,595.70
  6. Step 6: Final answer
    x = 87,493.70

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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.