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Finding the Fourth Proportional to 101,574.29, 140,195.86 and 67,584.22

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Solution

The fourth proportional to 101,574.29, 140,195.86 and 67,584.22 is: 93,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574.29 : 140,195.86 = 67,584.22 : x
  2. Step 2: Convert to fraction form
    101,574.29/140,195.86 = 67,584.22/x
  3. Step 3: Cross multiply
    101,574.29x = 140,195.86 × 67,584.22
  4. Step 4: Simplify right side
    101,574.29x = 9,475,027,325.88
  5. Step 5: Solve for x
    x = 9,475,027,325.88/101,574.29
  6. Step 6: Final answer
    x = 93,281.75

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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.