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Finding the Fourth Proportional to 84,854.98, 127,296.24 and 28,698.52

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Solution

The fourth proportional to 84,854.98, 127,296.24 and 28,698.52 is: 43,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.98 : 127,296.24 = 28,698.52 : x
  2. Step 2: Convert to fraction form
    84,854.98/127,296.24 = 28,698.52/x
  3. Step 3: Cross multiply
    84,854.98x = 127,296.24 × 28,698.52
  4. Step 4: Simplify right side
    84,854.98x = 3,653,213,053.08
  5. Step 5: Solve for x
    x = 3,653,213,053.08/84,854.98
  6. Step 6: Final answer
    x = 43,052.43

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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.