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Finding the Fourth Proportional to 99,924.68, 149,887.04 and 27,874.78

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Solution

The fourth proportional to 99,924.68, 149,887.04 and 27,874.78 is: 41,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,924.68 : 149,887.04 = 27,874.78 : x
  2. Step 2: Convert to fraction form
    99,924.68/149,887.04 = 27,874.78/x
  3. Step 3: Cross multiply
    99,924.68x = 149,887.04 × 27,874.78
  4. Step 4: Simplify right side
    99,924.68x = 4,178,067,750.76
  5. Step 5: Solve for x
    x = 4,178,067,750.76/99,924.68
  6. Step 6: Final answer
    x = 41,812.17

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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.