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Finding the Fourth Proportional to 105,760.99, 158,570.50 and 41,660.52

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Solution

The fourth proportional to 105,760.99, 158,570.50 and 41,660.52 is: 62,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.99 : 158,570.50 = 41,660.52 : x
  2. Step 2: Convert to fraction form
    105,760.99/158,570.50 = 41,660.52/x
  3. Step 3: Cross multiply
    105,760.99x = 158,570.50 × 41,660.52
  4. Step 4: Simplify right side
    105,760.99x = 6,606,129,486.66
  5. Step 5: Solve for x
    x = 6,606,129,486.66/105,760.99
  6. Step 6: Final answer
    x = 62,462.82

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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.