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Finding the Fourth Proportional to 100,551.67, 150,827.37 and 25,671.82

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Solution

The fourth proportional to 100,551.67, 150,827.37 and 25,671.82 is: 38,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.67 : 150,827.37 = 25,671.82 : x
  2. Step 2: Convert to fraction form
    100,551.67/150,827.37 = 25,671.82/x
  3. Step 3: Cross multiply
    100,551.67x = 150,827.37 × 25,671.82
  4. Step 4: Simplify right side
    100,551.67x = 3,872,013,093.71
  5. Step 5: Solve for x
    x = 3,872,013,093.71/100,551.67
  6. Step 6: Final answer
    x = 38,507.70

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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.