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Finding the Fourth Proportional to 101,614.54, 140,296.50 and 63,432.22

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Solution

The fourth proportional to 101,614.54, 140,296.50 and 63,432.22 is: 87,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,614.54 : 140,296.50 = 63,432.22 : x
  2. Step 2: Convert to fraction form
    101,614.54/140,296.50 = 63,432.22/x
  3. Step 3: Cross multiply
    101,614.54x = 140,296.50 × 63,432.22
  4. Step 4: Simplify right side
    101,614.54x = 8,899,318,453.23
  5. Step 5: Solve for x
    x = 8,899,318,453.23/101,614.54
  6. Step 6: Final answer
    x = 87,579.18

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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.