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Finding the Fourth Proportional to 133,854.68, 200,640.26 and 48,408.32

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Solution

The fourth proportional to 133,854.68, 200,640.26 and 48,408.32 is: 72,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,854.68 : 200,640.26 = 48,408.32 : x
  2. Step 2: Convert to fraction form
    133,854.68/200,640.26 = 48,408.32/x
  3. Step 3: Cross multiply
    133,854.68x = 200,640.26 × 48,408.32
  4. Step 4: Simplify right side
    133,854.68x = 9,712,657,910.96
  5. Step 5: Solve for x
    x = 9,712,657,910.96/133,854.68
  6. Step 6: Final answer
    x = 72,561.21

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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.