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Finding the Fourth Proportional to 75,997.80, 113,823.90 and 48,004.20

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Solution

The fourth proportional to 75,997.80, 113,823.90 and 48,004.20 is: 71,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,997.80 : 113,823.90 = 48,004.20 : x
  2. Step 2: Convert to fraction form
    75,997.80/113,823.90 = 48,004.20/x
  3. Step 3: Cross multiply
    75,997.80x = 113,823.90 × 48,004.20
  4. Step 4: Simplify right side
    75,997.80x = 5,464,025,260.38
  5. Step 5: Solve for x
    x = 5,464,025,260.38/75,997.80
  6. Step 6: Final answer
    x = 71,897.15

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1.5x scale

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.