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Finding the Fourth Proportional to 202,773.64, 304,212.30 and 84,405.64

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Solution

The fourth proportional to 202,773.64, 304,212.30 and 84,405.64 is: 126,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,773.64 : 304,212.30 = 84,405.64 : x
  2. Step 2: Convert to fraction form
    202,773.64/304,212.30 = 84,405.64/x
  3. Step 3: Cross multiply
    202,773.64x = 304,212.30 × 84,405.64
  4. Step 4: Simplify right side
    202,773.64x = 25,677,233,877.37
  5. Step 5: Solve for x
    x = 25,677,233,877.37/202,773.64
  6. Step 6: Final answer
    x = 126,630.04

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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.