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Finding the Fourth Proportional to 126,871.00, 189,780.55 and 96,656.62

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Solution

The fourth proportional to 126,871.00, 189,780.55 and 96,656.62 is: 144,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.00 : 189,780.55 = 96,656.62 : x
  2. Step 2: Convert to fraction form
    126,871.00/189,780.55 = 96,656.62/x
  3. Step 3: Cross multiply
    126,871.00x = 189,780.55 × 96,656.62
  4. Step 4: Simplify right side
    126,871.00x = 18,343,545,788.65
  5. Step 5: Solve for x
    x = 18,343,545,788.65/126,871.00
  6. Step 6: Final answer
    x = 144,584.23

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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.