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Finding the Fourth Proportional to 86,674.20, 130,011.16 and 32,648.96

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Solution

The fourth proportional to 86,674.20, 130,011.16 and 32,648.96 is: 48,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674.20 : 130,011.16 = 32,648.96 : x
  2. Step 2: Convert to fraction form
    86,674.20/130,011.16 = 32,648.96/x
  3. Step 3: Cross multiply
    86,674.20x = 130,011.16 × 32,648.96
  4. Step 4: Simplify right side
    86,674.20x = 4,244,729,162.39
  5. Step 5: Solve for x
    x = 4,244,729,162.39/86,674.20
  6. Step 6: Final answer
    x = 48,973.39

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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.