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Finding the Fourth Proportional to 70,160.34, 96,819.75 and 38,329.41

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Solution

The fourth proportional to 70,160.34, 96,819.75 and 38,329.41 is: 52,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.34 : 96,819.75 = 38,329.41 : x
  2. Step 2: Convert to fraction form
    70,160.34/96,819.75 = 38,329.41/x
  3. Step 3: Cross multiply
    70,160.34x = 96,819.75 × 38,329.41
  4. Step 4: Simplify right side
    70,160.34x = 3,711,043,893.85
  5. Step 5: Solve for x
    x = 3,711,043,893.85/70,160.34
  6. Step 6: Final answer
    x = 52,893.76

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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.