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Finding the Fourth Proportional to 128,473.92, 192,697.01 and 33,713.64

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Solution

The fourth proportional to 128,473.92, 192,697.01 and 33,713.64 is: 50,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,473.92 : 192,697.01 = 33,713.64 : x
  2. Step 2: Convert to fraction form
    128,473.92/192,697.01 = 33,713.64/x
  3. Step 3: Cross multiply
    128,473.92x = 192,697.01 × 33,713.64
  4. Step 4: Simplify right side
    128,473.92x = 6,496,517,455.65
  5. Step 5: Solve for x
    x = 6,496,517,455.65/128,473.92
  6. Step 6: Final answer
    x = 50,566.82

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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.