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Finding the Fourth Proportional to 68,777.61, 103,181.90 and 24,404.28

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Solution

The fourth proportional to 68,777.61, 103,181.90 and 24,404.28 is: 36,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.61 : 103,181.90 = 24,404.28 : x
  2. Step 2: Convert to fraction form
    68,777.61/103,181.90 = 24,404.28/x
  3. Step 3: Cross multiply
    68,777.61x = 103,181.90 × 24,404.28
  4. Step 4: Simplify right side
    68,777.61x = 2,518,079,856.51
  5. Step 5: Solve for x
    x = 2,518,079,856.51/68,777.61
  6. Step 6: Final answer
    x = 36,611.91

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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.