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Finding the Fourth Proportional to 99,287.91, 148,883.42 and 35,224.36

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Solution

The fourth proportional to 99,287.91, 148,883.42 and 35,224.36 is: 52,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.91 : 148,883.42 = 35,224.36 : x
  2. Step 2: Convert to fraction form
    99,287.91/148,883.42 = 35,224.36/x
  3. Step 3: Cross multiply
    99,287.91x = 148,883.42 × 35,224.36
  4. Step 4: Simplify right side
    99,287.91x = 5,244,322,899.96
  5. Step 5: Solve for x
    x = 5,244,322,899.96/99,287.91
  6. Step 6: Final answer
    x = 52,819.35

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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.