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Finding the Fourth Proportional to 223,015.89, 334,589.45 and 89,827.59

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Solution

The fourth proportional to 223,015.89, 334,589.45 and 89,827.59 is: 134,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,015.89 : 334,589.45 = 89,827.59 : x
  2. Step 2: Convert to fraction form
    223,015.89/334,589.45 = 89,827.59/x
  3. Step 3: Cross multiply
    223,015.89x = 334,589.45 × 89,827.59
  4. Step 4: Simplify right side
    223,015.89x = 30,055,363,483.79
  5. Step 5: Solve for x
    x = 30,055,363,483.79/223,015.89
  6. Step 6: Final answer
    x = 134,767.81

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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.