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Finding the Fourth Proportional to 105,440.67, 158,059.41 and 38,844.42

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Solution

The fourth proportional to 105,440.67, 158,059.41 and 38,844.42 is: 58,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,440.67 : 158,059.41 = 38,844.42 : x
  2. Step 2: Convert to fraction form
    105,440.67/158,059.41 = 38,844.42/x
  3. Step 3: Cross multiply
    105,440.67x = 158,059.41 × 38,844.42
  4. Step 4: Simplify right side
    105,440.67x = 6,139,726,106.99
  5. Step 5: Solve for x
    x = 6,139,726,106.99/105,440.67
  6. Step 6: Final answer
    x = 58,229.20

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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.