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Finding the Fourth Proportional to 132,003.80, 197,832.90 and 53,053.40

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Solution

The fourth proportional to 132,003.80, 197,832.90 and 53,053.40 is: 79,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.80 : 197,832.90 = 53,053.40 : x
  2. Step 2: Convert to fraction form
    132,003.80/197,832.90 = 53,053.40/x
  3. Step 3: Cross multiply
    132,003.80x = 197,832.90 × 53,053.40
  4. Step 4: Simplify right side
    132,003.80x = 10,495,707,976.86
  5. Step 5: Solve for x
    x = 10,495,707,976.86/132,003.80
  6. Step 6: Final answer
    x = 79,510.65

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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.