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Finding the Fourth Proportional to 202,687.64, 304,037.63 and 69,565.96

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Solution

The fourth proportional to 202,687.64, 304,037.63 and 69,565.96 is: 104,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,687.64 : 304,037.63 = 69,565.96 : x
  2. Step 2: Convert to fraction form
    202,687.64/304,037.63 = 69,565.96/x
  3. Step 3: Cross multiply
    202,687.64x = 304,037.63 × 69,565.96
  4. Step 4: Simplify right side
    202,687.64x = 21,150,669,607.07
  5. Step 5: Solve for x
    x = 21,150,669,607.07/202,687.64
  6. Step 6: Final answer
    x = 104,351.06

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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.