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Finding the Fourth Proportional to 70,102.69, 96,730.29 and 41,418.39

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Solution

The fourth proportional to 70,102.69, 96,730.29 and 41,418.39 is: 57,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.69 : 96,730.29 = 41,418.39 : x
  2. Step 2: Convert to fraction form
    70,102.69/96,730.29 = 41,418.39/x
  3. Step 3: Cross multiply
    70,102.69x = 96,730.29 × 41,418.39
  4. Step 4: Simplify right side
    70,102.69x = 4,006,412,876.03
  5. Step 5: Solve for x
    x = 4,006,412,876.03/70,102.69
  6. Step 6: Final answer
    x = 57,150.63

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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.