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Finding the Fourth Proportional to 68,866.56, 94,737.60 and 60,330.24

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Solution

The fourth proportional to 68,866.56, 94,737.60 and 60,330.24 is: 82,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.56 : 94,737.60 = 60,330.24 : x
  2. Step 2: Convert to fraction form
    68,866.56/94,737.60 = 60,330.24/x
  3. Step 3: Cross multiply
    68,866.56x = 94,737.60 × 60,330.24
  4. Step 4: Simplify right side
    68,866.56x = 5,715,542,145.02
  5. Step 5: Solve for x
    x = 5,715,542,145.02/68,866.56
  6. Step 6: Final answer
    x = 82,994.45

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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.