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Finding the Fourth Proportional to 92,777.92, 128,033.88 and 50,336.56

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Solution

The fourth proportional to 92,777.92, 128,033.88 and 50,336.56 is: 69,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.92 : 128,033.88 = 50,336.56 : x
  2. Step 2: Convert to fraction form
    92,777.92/128,033.88 = 50,336.56/x
  3. Step 3: Cross multiply
    92,777.92x = 128,033.88 × 50,336.56
  4. Step 4: Simplify right side
    92,777.92x = 6,444,785,082.65
  5. Step 5: Solve for x
    x = 6,444,785,082.65/92,777.92
  6. Step 6: Final answer
    x = 69,464.64

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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.