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Finding the Fourth Proportional to 102,860.02, 154,149.90 and 62,893

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Solution

The fourth proportional to 102,860.02, 154,149.90 and 62,893 is: 94,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.02 : 154,149.90 = 62,893 : x
  2. Step 2: Convert to fraction form
    102,860.02/154,149.90 = 62,893/x
  3. Step 3: Cross multiply
    102,860.02x = 154,149.90 × 62,893
  4. Step 4: Simplify right side
    102,860.02x = 9,694,949,660.70
  5. Step 5: Solve for x
    x = 9,694,949,660.70/102,860.02
  6. Step 6: Final answer
    x = 94,253.82

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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.