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Finding the Fourth Proportional to 84,630.52, 116,789.22 and 48,820.12

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Solution

The fourth proportional to 84,630.52, 116,789.22 and 48,820.12 is: 67,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,630.52 : 116,789.22 = 48,820.12 : x
  2. Step 2: Convert to fraction form
    84,630.52/116,789.22 = 48,820.12/x
  3. Step 3: Cross multiply
    84,630.52x = 116,789.22 × 48,820.12
  4. Step 4: Simplify right side
    84,630.52x = 5,701,663,735.11
  5. Step 5: Solve for x
    x = 5,701,663,735.11/84,630.52
  6. Step 6: Final answer
    x = 67,371.25

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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.