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Finding the Fourth Proportional to 223,543.91, 335,463.57 and 105,249.08

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Solution

The fourth proportional to 223,543.91, 335,463.57 and 105,249.08 is: 157,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,543.91 : 335,463.57 = 105,249.08 : x
  2. Step 2: Convert to fraction form
    223,543.91/335,463.57 = 105,249.08/x
  3. Step 3: Cross multiply
    223,543.91x = 335,463.57 × 105,249.08
  4. Step 4: Simplify right side
    223,543.91x = 35,307,230,438.70
  5. Step 5: Solve for x
    x = 35,307,230,438.70/223,543.91
  6. Step 6: Final answer
    x = 157,943.16

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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.