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Finding the Fourth Proportional to 101,607.01, 140,286.14 and 63,424.69

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Solution

The fourth proportional to 101,607.01, 140,286.14 and 63,424.69 is: 87,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.01 : 140,286.14 = 63,424.69 : x
  2. Step 2: Convert to fraction form
    101,607.01/140,286.14 = 63,424.69/x
  3. Step 3: Cross multiply
    101,607.01x = 140,286.14 × 63,424.69
  4. Step 4: Simplify right side
    101,607.01x = 8,897,604,940.80
  5. Step 5: Solve for x
    x = 8,897,604,940.80/101,607.01
  6. Step 6: Final answer
    x = 87,568.81

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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.