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Finding the Fourth Proportional to 198,392.68, 273,842.58 and 117,833.32

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Solution

The fourth proportional to 198,392.68, 273,842.58 and 117,833.32 is: 162,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,392.68 : 273,842.58 = 117,833.32 : x
  2. Step 2: Convert to fraction form
    198,392.68/273,842.58 = 117,833.32/x
  3. Step 3: Cross multiply
    198,392.68x = 273,842.58 × 117,833.32
  4. Step 4: Simplify right side
    198,392.68x = 32,267,780,358.77
  5. Step 5: Solve for x
    x = 32,267,780,358.77/198,392.68
  6. Step 6: Final answer
    x = 162,646.02

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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.