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Finding the Fourth Proportional to 68,017.70, 102,026.55 and 63,611.30

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Solution

The fourth proportional to 68,017.70, 102,026.55 and 63,611.30 is: 95,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,017.70 : 102,026.55 = 63,611.30 : x
  2. Step 2: Convert to fraction form
    68,017.70/102,026.55 = 63,611.30/x
  3. Step 3: Cross multiply
    68,017.70x = 102,026.55 × 63,611.30
  4. Step 4: Simplify right side
    68,017.70x = 6,490,041,480.02
  5. Step 5: Solve for x
    x = 6,490,041,480.02/68,017.70
  6. Step 6: Final answer
    x = 95,416.95

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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.