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Finding the Fourth Proportional to 239,495.40, 359,372.70 and 106,396.20

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Solution

The fourth proportional to 239,495.40, 359,372.70 and 106,396.20 is: 159,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,495.40 : 359,372.70 = 106,396.20 : x
  2. Step 2: Convert to fraction form
    239,495.40/359,372.70 = 106,396.20/x
  3. Step 3: Cross multiply
    239,495.40x = 359,372.70 × 106,396.20
  4. Step 4: Simplify right side
    239,495.40x = 38,235,889,663.74
  5. Step 5: Solve for x
    x = 38,235,889,663.74/239,495.40
  6. Step 6: Final answer
    x = 159,651.87

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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.