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Finding the Fourth Proportional to 101,317.44, 151,931.92 and 38,944

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Solution

The fourth proportional to 101,317.44, 151,931.92 and 38,944 is: 58,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.44 : 151,931.92 = 38,944 : x
  2. Step 2: Convert to fraction form
    101,317.44/151,931.92 = 38,944/x
  3. Step 3: Cross multiply
    101,317.44x = 151,931.92 × 38,944
  4. Step 4: Simplify right side
    101,317.44x = 5,916,836,692.48
  5. Step 5: Solve for x
    x = 5,916,836,692.48/101,317.44
  6. Step 6: Final answer
    x = 58,399.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.