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Finding the Fourth Proportional to 68,050.02, 93,919.25 and 48,992.87

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Solution

The fourth proportional to 68,050.02, 93,919.25 and 48,992.87 is: 67,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,050.02 : 93,919.25 = 48,992.87 : x
  2. Step 2: Convert to fraction form
    68,050.02/93,919.25 = 48,992.87/x
  3. Step 3: Cross multiply
    68,050.02x = 93,919.25 × 48,992.87
  4. Step 4: Simplify right side
    68,050.02x = 4,601,373,595.58
  5. Step 5: Solve for x
    x = 4,601,373,595.58/68,050.02
  6. Step 6: Final answer
    x = 67,617.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.