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Finding the Fourth Proportional to 105,472.24, 158,157.24 and 38,943.70

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Solution

The fourth proportional to 105,472.24, 158,157.24 and 38,943.70 is: 58,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,472.24 : 158,157.24 = 38,943.70 : x
  2. Step 2: Convert to fraction form
    105,472.24/158,157.24 = 38,943.70/x
  3. Step 3: Cross multiply
    105,472.24x = 158,157.24 × 38,943.70
  4. Step 4: Simplify right side
    105,472.24x = 6,159,228,107.39
  5. Step 5: Solve for x
    x = 6,159,228,107.39/105,472.24
  6. Step 6: Final answer
    x = 58,396.67

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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.