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Finding the Fourth Proportional to 84,564, 126,841.14 and 25,398.36

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Solution

The fourth proportional to 84,564, 126,841.14 and 25,398.36 is: 38,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564 : 126,841.14 = 25,398.36 : x
  2. Step 2: Convert to fraction form
    84,564/126,841.14 = 25,398.36/x
  3. Step 3: Cross multiply
    84,564x = 126,841.14 × 25,398.36
  4. Step 4: Simplify right side
    84,564x = 3,221,556,936.53
  5. Step 5: Solve for x
    x = 3,221,556,936.53/84,564
  6. Step 6: Final answer
    x = 38,096.08

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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.