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Finding the Fourth Proportional to 68,356.32, 102,600.15 and 33,320.58

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Solution

The fourth proportional to 68,356.32, 102,600.15 and 33,320.58 is: 50,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.32 : 102,600.15 = 33,320.58 : x
  2. Step 2: Convert to fraction form
    68,356.32/102,600.15 = 33,320.58/x
  3. Step 3: Cross multiply
    68,356.32x = 102,600.15 × 33,320.58
  4. Step 4: Simplify right side
    68,356.32x = 3,418,696,506.09
  5. Step 5: Solve for x
    x = 3,418,696,506.09/68,356.32
  6. Step 6: Final answer
    x = 50,012.88

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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.