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Finding the Fourth Proportional to 101,615.58, 140,252.82 and 67,625.50

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Solution

The fourth proportional to 101,615.58, 140,252.82 and 67,625.50 is: 93,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,615.58 : 140,252.82 = 67,625.50 : x
  2. Step 2: Convert to fraction form
    101,615.58/140,252.82 = 67,625.50/x
  3. Step 3: Cross multiply
    101,615.58x = 140,252.82 × 67,625.50
  4. Step 4: Simplify right side
    101,615.58x = 9,484,666,377.65
  5. Step 5: Solve for x
    x = 9,484,666,377.65/101,615.58
  6. Step 6: Final answer
    x = 93,338.71

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1.5x scale

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.