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Finding the Fourth Proportional to 86,300.63, 119,087.29 and 48,057.29

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Solution

The fourth proportional to 86,300.63, 119,087.29 and 48,057.29 is: 66,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300.63 : 119,087.29 = 48,057.29 : x
  2. Step 2: Convert to fraction form
    86,300.63/119,087.29 = 48,057.29/x
  3. Step 3: Cross multiply
    86,300.63x = 119,087.29 × 48,057.29
  4. Step 4: Simplify right side
    86,300.63x = 5,723,012,788.63
  5. Step 5: Solve for x
    x = 5,723,012,788.63/86,300.63
  6. Step 6: Final answer
    x = 66,314.84

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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.