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Finding the Fourth Proportional to 70,171.57, 96,838.22 and 38,342.57

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Solution

The fourth proportional to 70,171.57, 96,838.22 and 38,342.57 is: 52,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.57 : 96,838.22 = 38,342.57 : x
  2. Step 2: Convert to fraction form
    70,171.57/96,838.22 = 38,342.57/x
  3. Step 3: Cross multiply
    70,171.57x = 96,838.22 × 38,342.57
  4. Step 4: Simplify right side
    70,171.57x = 3,713,026,037.31
  5. Step 5: Solve for x
    x = 3,713,026,037.31/70,171.57
  6. Step 6: Final answer
    x = 52,913.54

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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.