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Finding the Fourth Proportional to 147,997.80, 221,998.80 and 48,158.52

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Solution

The fourth proportional to 147,997.80, 221,998.80 and 48,158.52 is: 72,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,997.80 : 221,998.80 = 48,158.52 : x
  2. Step 2: Convert to fraction form
    147,997.80/221,998.80 = 48,158.52/x
  3. Step 3: Cross multiply
    147,997.80x = 221,998.80 × 48,158.52
  4. Step 4: Simplify right side
    147,997.80x = 10,691,133,649.78
  5. Step 5: Solve for x
    x = 10,691,133,649.78/147,997.80
  6. Step 6: Final answer
    x = 72,238.46

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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.