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Finding the Fourth Proportional to 132,617.72, 198,924.62 and 32,777.93

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Solution

The fourth proportional to 132,617.72, 198,924.62 and 32,777.93 is: 49,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.72 : 198,924.62 = 32,777.93 : x
  2. Step 2: Convert to fraction form
    132,617.72/198,924.62 = 32,777.93/x
  3. Step 3: Cross multiply
    132,617.72x = 198,924.62 × 32,777.93
  4. Step 4: Simplify right side
    132,617.72x = 6,520,336,275.01
  5. Step 5: Solve for x
    x = 6,520,336,275.01/132,617.72
  6. Step 6: Final answer
    x = 49,166.40

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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.