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Finding the Fourth Proportional to 70,047.50, 96,690.51 and 41,367.28

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Solution

The fourth proportional to 70,047.50, 96,690.51 and 41,367.28 is: 57,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.50 : 96,690.51 = 41,367.28 : x
  2. Step 2: Convert to fraction form
    70,047.50/96,690.51 = 41,367.28/x
  3. Step 3: Cross multiply
    70,047.50x = 96,690.51 × 41,367.28
  4. Step 4: Simplify right side
    70,047.50x = 3,999,823,340.08
  5. Step 5: Solve for x
    x = 3,999,823,340.08/70,047.50
  6. Step 6: Final answer
    x = 57,101.59

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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.