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Finding the Fourth Proportional to 202,867.22, 304,328.51 and 84,510.88

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Solution

The fourth proportional to 202,867.22, 304,328.51 and 84,510.88 is: 126,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,867.22 : 304,328.51 = 84,510.88 : x
  2. Step 2: Convert to fraction form
    202,867.22/304,328.51 = 84,510.88/x
  3. Step 3: Cross multiply
    202,867.22x = 304,328.51 × 84,510.88
  4. Step 4: Simplify right side
    202,867.22x = 25,719,070,189.19
  5. Step 5: Solve for x
    x = 25,719,070,189.19/202,867.22
  6. Step 6: Final answer
    x = 126,777.85

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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.