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Finding the Fourth Proportional to 86,474.83, 119,324.64 and 48,225.41

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Solution

The fourth proportional to 86,474.83, 119,324.64 and 48,225.41 is: 66,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,474.83 : 119,324.64 = 48,225.41 : x
  2. Step 2: Convert to fraction form
    86,474.83/119,324.64 = 48,225.41/x
  3. Step 3: Cross multiply
    86,474.83x = 119,324.64 × 48,225.41
  4. Step 4: Simplify right side
    86,474.83x = 5,754,479,687.10
  5. Step 5: Solve for x
    x = 5,754,479,687.10/86,474.83
  6. Step 6: Final answer
    x = 66,545.14

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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.