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Finding the Fourth Proportional to 107,243.52, 160,866.19 and 27,281.56

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Solution

The fourth proportional to 107,243.52, 160,866.19 and 27,281.56 is: 40,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.52 : 160,866.19 = 27,281.56 : x
  2. Step 2: Convert to fraction form
    107,243.52/160,866.19 = 27,281.56/x
  3. Step 3: Cross multiply
    107,243.52x = 160,866.19 × 27,281.56
  4. Step 4: Simplify right side
    107,243.52x = 4,388,680,384.64
  5. Step 5: Solve for x
    x = 4,388,680,384.64/107,243.52
  6. Step 6: Final answer
    x = 40,922.57

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1.5x scale

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.