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Finding the Fourth Proportional to 70,173.73, 96,805.92 and 51,023.80

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Solution

The fourth proportional to 70,173.73, 96,805.92 and 51,023.80 is: 70,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.73 : 96,805.92 = 51,023.80 : x
  2. Step 2: Convert to fraction form
    70,173.73/96,805.92 = 51,023.80/x
  3. Step 3: Cross multiply
    70,173.73x = 96,805.92 × 51,023.80
  4. Step 4: Simplify right side
    70,173.73x = 4,939,405,900.90
  5. Step 5: Solve for x
    x = 4,939,405,900.90/70,173.73
  6. Step 6: Final answer
    x = 70,388.25

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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.