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Finding the Fourth Proportional to 84,197.52, 116,212.52 and 48,408.32

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Solution

The fourth proportional to 84,197.52, 116,212.52 and 48,408.32 is: 66,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,197.52 : 116,212.52 = 48,408.32 : x
  2. Step 2: Convert to fraction form
    84,197.52/116,212.52 = 48,408.32/x
  3. Step 3: Cross multiply
    84,197.52x = 116,212.52 × 48,408.32
  4. Step 4: Simplify right side
    84,197.52x = 5,625,652,033.06
  5. Step 5: Solve for x
    x = 5,625,652,033.06/84,197.52
  6. Step 6: Final answer
    x = 66,814.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.