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Finding the Fourth Proportional to 223,841.91, 335,879.52 and 99,153.75

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Solution

The fourth proportional to 223,841.91, 335,879.52 and 99,153.75 is: 148,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,841.91 : 335,879.52 = 99,153.75 : x
  2. Step 2: Convert to fraction form
    223,841.91/335,879.52 = 99,153.75/x
  3. Step 3: Cross multiply
    223,841.91x = 335,879.52 × 99,153.75
  4. Step 4: Simplify right side
    223,841.91x = 33,303,713,956.20
  5. Step 5: Solve for x
    x = 33,303,713,956.20/223,841.91
  6. Step 6: Final answer
    x = 148,782.30

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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.