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Finding the Fourth Proportional to 107,212.80, 160,812.40 and 32,335.52

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Solution

The fourth proportional to 107,212.80, 160,812.40 and 32,335.52 is: 48,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,212.80 : 160,812.40 = 32,335.52 : x
  2. Step 2: Convert to fraction form
    107,212.80/160,812.40 = 32,335.52/x
  3. Step 3: Cross multiply
    107,212.80x = 160,812.40 × 32,335.52
  4. Step 4: Simplify right side
    107,212.80x = 5,199,952,576.45
  5. Step 5: Solve for x
    x = 5,199,952,576.45/107,212.80
  6. Step 6: Final answer
    x = 48,501.23

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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.