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Finding the Fourth Proportional to 86,093.70, 129,147.96 and 23,764.20

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Solution

The fourth proportional to 86,093.70, 129,147.96 and 23,764.20 is: 35,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093.70 : 129,147.96 = 23,764.20 : x
  2. Step 2: Convert to fraction form
    86,093.70/129,147.96 = 23,764.20/x
  3. Step 3: Cross multiply
    86,093.70x = 129,147.96 × 23,764.20
  4. Step 4: Simplify right side
    86,093.70x = 3,069,097,951.03
  5. Step 5: Solve for x
    x = 3,069,097,951.03/86,093.70
  6. Step 6: Final answer
    x = 35,648.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.