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Finding the Fourth Proportional to 100,551.77, 150,827.48 and 25,671.92

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Solution

The fourth proportional to 100,551.77, 150,827.48 and 25,671.92 is: 38,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.77 : 150,827.48 = 25,671.92 : x
  2. Step 2: Convert to fraction form
    100,551.77/150,827.48 = 25,671.92/x
  3. Step 3: Cross multiply
    100,551.77x = 150,827.48 × 25,671.92
  4. Step 4: Simplify right side
    100,551.77x = 3,872,031,734.94
  5. Step 5: Solve for x
    x = 3,872,031,734.94/100,551.77
  6. Step 6: Final answer
    x = 38,507.84

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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.