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Finding the Fourth Proportional to 107,363.65, 161,063.70 and 32,483.20

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Solution

The fourth proportional to 107,363.65, 161,063.70 and 32,483.20 is: 48,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,363.65 : 161,063.70 = 32,483.20 : x
  2. Step 2: Convert to fraction form
    107,363.65/161,063.70 = 32,483.20/x
  3. Step 3: Cross multiply
    107,363.65x = 161,063.70 × 32,483.20
  4. Step 4: Simplify right side
    107,363.65x = 5,231,864,379.84
  5. Step 5: Solve for x
    x = 5,231,864,379.84/107,363.65
  6. Step 6: Final answer
    x = 48,730.31

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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.