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Finding the Fourth Proportional to 202,723.96, 304,056.98 and 69,601.72

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Solution

The fourth proportional to 202,723.96, 304,056.98 and 69,601.72 is: 104,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723.96 : 304,056.98 = 69,601.72 : x
  2. Step 2: Convert to fraction form
    202,723.96/304,056.98 = 69,601.72/x
  3. Step 3: Cross multiply
    202,723.96x = 304,056.98 × 69,601.72
  4. Step 4: Simplify right side
    202,723.96x = 21,162,888,786.01
  5. Step 5: Solve for x
    x = 21,162,888,786.01/202,723.96
  6. Step 6: Final answer
    x = 104,392.64

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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.