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Finding the Fourth Proportional to 202,612.96, 279,597.72 and 117,723.34

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Solution

The fourth proportional to 202,612.96, 279,597.72 and 117,723.34 is: 162,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,612.96 : 279,597.72 = 117,723.34 : x
  2. Step 2: Convert to fraction form
    202,612.96/279,597.72 = 117,723.34/x
  3. Step 3: Cross multiply
    202,612.96x = 279,597.72 × 117,723.34
  4. Step 4: Simplify right side
    202,612.96x = 32,915,177,454.78
  5. Step 5: Solve for x
    x = 32,915,177,454.78/202,612.96
  6. Step 6: Final answer
    x = 162,453.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.