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Finding the Fourth Proportional to 100,552.18, 150,828.14 and 25,672.34

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Solution

The fourth proportional to 100,552.18, 150,828.14 and 25,672.34 is: 38,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,552.18 : 150,828.14 = 25,672.34 : x
  2. Step 2: Convert to fraction form
    100,552.18/150,828.14 = 25,672.34/x
  3. Step 3: Cross multiply
    100,552.18x = 150,828.14 × 25,672.34
  4. Step 4: Simplify right side
    100,552.18x = 3,872,110,850.40
  5. Step 5: Solve for x
    x = 3,872,110,850.40/100,552.18
  6. Step 6: Final answer
    x = 38,508.47

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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.