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Finding the Fourth Proportional to 68,202.84, 94,124.22 and 38,396.76

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Solution

The fourth proportional to 68,202.84, 94,124.22 and 38,396.76 is: 52,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.84 : 94,124.22 = 38,396.76 : x
  2. Step 2: Convert to fraction form
    68,202.84/94,124.22 = 38,396.76/x
  3. Step 3: Cross multiply
    68,202.84x = 94,124.22 × 38,396.76
  4. Step 4: Simplify right side
    68,202.84x = 3,614,065,085.53
  5. Step 5: Solve for x
    x = 3,614,065,085.53/68,202.84
  6. Step 6: Final answer
    x = 52,989.95

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1.5x scale

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.