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Finding the Fourth Proportional to 168,658.68, 253,135.60 and 93,863.28

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Solution

The fourth proportional to 168,658.68, 253,135.60 and 93,863.28 is: 140,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.68 : 253,135.60 = 93,863.28 : x
  2. Step 2: Convert to fraction form
    168,658.68/253,135.60 = 93,863.28/x
  3. Step 3: Cross multiply
    168,658.68x = 253,135.60 × 93,863.28
  4. Step 4: Simplify right side
    168,658.68x = 23,760,137,700.77
  5. Step 5: Solve for x
    x = 23,760,137,700.77/168,658.68
  6. Step 6: Final answer
    x = 140,877.05

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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.