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Finding the Fourth Proportional to 100,043.52, 150,042.96 and 29,913.72

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Solution

The fourth proportional to 100,043.52, 150,042.96 and 29,913.72 is: 44,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,043.52 : 150,042.96 = 29,913.72 : x
  2. Step 2: Convert to fraction form
    100,043.52/150,042.96 = 29,913.72/x
  3. Step 3: Cross multiply
    100,043.52x = 150,042.96 × 29,913.72
  4. Step 4: Simplify right side
    100,043.52x = 4,488,343,093.41
  5. Step 5: Solve for x
    x = 4,488,343,093.41/100,043.52
  6. Step 6: Final answer
    x = 44,863.91

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1.5x scale

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.