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Finding the Fourth Proportional to 203,256.48, 304,884.90 and 84,863.28

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Solution

The fourth proportional to 203,256.48, 304,884.90 and 84,863.28 is: 127,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,256.48 : 304,884.90 = 84,863.28 : x
  2. Step 2: Convert to fraction form
    203,256.48/304,884.90 = 84,863.28/x
  3. Step 3: Cross multiply
    203,256.48x = 304,884.90 × 84,863.28
  4. Step 4: Simplify right side
    203,256.48x = 25,873,532,636.47
  5. Step 5: Solve for x
    x = 25,873,532,636.47/203,256.48
  6. Step 6: Final answer
    x = 127,295.00

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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.