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Finding the Fourth Proportional to 69,056.32, 95,658.64 and 67,656.64

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Solution

The fourth proportional to 69,056.32, 95,658.64 and 67,656.64 is: 93,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,056.32 : 95,658.64 = 67,656.64 : x
  2. Step 2: Convert to fraction form
    69,056.32/95,658.64 = 67,656.64/x
  3. Step 3: Cross multiply
    69,056.32x = 95,658.64 × 67,656.64
  4. Step 4: Simplify right side
    69,056.32x = 6,471,942,169.37
  5. Step 5: Solve for x
    x = 6,471,942,169.37/69,056.32
  6. Step 6: Final answer
    x = 93,719.77

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.