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Finding the Fourth Proportional to 535,195.64, 802,799.22 and 161,221.88

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Solution

The fourth proportional to 535,195.64, 802,799.22 and 161,221.88 is: 241,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,195.64 : 802,799.22 = 161,221.88 : x
  2. Step 2: Convert to fraction form
    535,195.64/802,799.22 = 161,221.88/x
  3. Step 3: Cross multiply
    535,195.64x = 802,799.22 × 161,221.88
  4. Step 4: Simplify right side
    535,195.64x = 129,428,799,510.93
  5. Step 5: Solve for x
    x = 129,428,799,510.93/535,195.64
  6. Step 6: Final answer
    x = 241,834.56

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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.