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Finding the Fourth Proportional to 86,384.48, 119,202.44 and 48,140.33

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Solution

The fourth proportional to 86,384.48, 119,202.44 and 48,140.33 is: 66,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.48 : 119,202.44 = 48,140.33 : x
  2. Step 2: Convert to fraction form
    86,384.48/119,202.44 = 48,140.33/x
  3. Step 3: Cross multiply
    86,384.48x = 119,202.44 × 48,140.33
  4. Step 4: Simplify right side
    86,384.48x = 5,738,443,961.69
  5. Step 5: Solve for x
    x = 5,738,443,961.69/86,384.48
  6. Step 6: Final answer
    x = 66,429.11

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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.