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Finding the Fourth Proportional to 84,855.48, 127,296.99 and 28,699.02

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Solution

The fourth proportional to 84,855.48, 127,296.99 and 28,699.02 is: 43,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,855.48 : 127,296.99 = 28,699.02 : x
  2. Step 2: Convert to fraction form
    84,855.48/127,296.99 = 28,699.02/x
  3. Step 3: Cross multiply
    84,855.48x = 127,296.99 × 28,699.02
  4. Step 4: Simplify right side
    84,855.48x = 3,653,298,861.95
  5. Step 5: Solve for x
    x = 3,653,298,861.95/84,855.48
  6. Step 6: Final answer
    x = 43,053.19

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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.