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Finding the Fourth Proportional to 202,868.22, 304,330.01 and 84,511.88

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Solution

The fourth proportional to 202,868.22, 304,330.01 and 84,511.88 is: 126,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,868.22 : 304,330.01 = 84,511.88 : x
  2. Step 2: Convert to fraction form
    202,868.22/304,330.01 = 84,511.88/x
  3. Step 3: Cross multiply
    202,868.22x = 304,330.01 × 84,511.88
  4. Step 4: Simplify right side
    202,868.22x = 25,719,501,285.52
  5. Step 5: Solve for x
    x = 25,719,501,285.52/202,868.22
  6. Step 6: Final answer
    x = 126,779.35

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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.