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Finding the Fourth Proportional to 86,347.73, 119,159.73 and 48,622.25

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Solution

The fourth proportional to 86,347.73, 119,159.73 and 48,622.25 is: 67,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,347.73 : 119,159.73 = 48,622.25 : x
  2. Step 2: Convert to fraction form
    86,347.73/119,159.73 = 48,622.25/x
  3. Step 3: Cross multiply
    86,347.73x = 119,159.73 × 48,622.25
  4. Step 4: Simplify right side
    86,347.73x = 5,793,814,181.99
  5. Step 5: Solve for x
    x = 5,793,814,181.99/86,347.73
  6. Step 6: Final answer
    x = 67,098.63

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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.