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Finding the Fourth Proportional to 132,952.80, 199,429.20 and 118,207.20

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Solution

The fourth proportional to 132,952.80, 199,429.20 and 118,207.20 is: 177,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,952.80 : 199,429.20 = 118,207.20 : x
  2. Step 2: Convert to fraction form
    132,952.80/199,429.20 = 118,207.20/x
  3. Step 3: Cross multiply
    132,952.80x = 199,429.20 × 118,207.20
  4. Step 4: Simplify right side
    132,952.80x = 23,573,967,330.24
  5. Step 5: Solve for x
    x = 23,573,967,330.24/132,952.80
  6. Step 6: Final answer
    x = 177,310.80

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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.