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Finding the Fourth Proportional to 70,165.68, 96,794.92 and 51,015.80

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Solution

The fourth proportional to 70,165.68, 96,794.92 and 51,015.80 is: 70,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.68 : 96,794.92 = 51,015.80 : x
  2. Step 2: Convert to fraction form
    70,165.68/96,794.92 = 51,015.80/x
  3. Step 3: Cross multiply
    70,165.68x = 96,794.92 × 51,015.80
  4. Step 4: Simplify right side
    70,165.68x = 4,938,070,279.74
  5. Step 5: Solve for x
    x = 4,938,070,279.74/70,165.68
  6. Step 6: Final answer
    x = 70,377.29

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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.