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Finding the Fourth Proportional to 86,793.37, 119,770.03 and 48,545.53

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Solution

The fourth proportional to 86,793.37, 119,770.03 and 48,545.53 is: 66,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793.37 : 119,770.03 = 48,545.53 : x
  2. Step 2: Convert to fraction form
    86,793.37/119,770.03 = 48,545.53/x
  3. Step 3: Cross multiply
    86,793.37x = 119,770.03 × 48,545.53
  4. Step 4: Simplify right side
    86,793.37x = 5,814,299,406.40
  5. Step 5: Solve for x
    x = 5,814,299,406.40/86,793.37
  6. Step 6: Final answer
    x = 66,990.13

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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.