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Finding the Fourth Proportional to 119,752.29, 179,605.29 and 39,777.81

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Solution

The fourth proportional to 119,752.29, 179,605.29 and 39,777.81 is: 59,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,752.29 : 179,605.29 = 39,777.81 : x
  2. Step 2: Convert to fraction form
    119,752.29/179,605.29 = 39,777.81/x
  3. Step 3: Cross multiply
    119,752.29x = 179,605.29 × 39,777.81
  4. Step 4: Simplify right side
    119,752.29x = 7,144,305,100.61
  5. Step 5: Solve for x
    x = 7,144,305,100.61/119,752.29
  6. Step 6: Final answer
    x = 59,659.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.