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Finding the Fourth Proportional to 239,793.70, 359,690.46 and 71,313.34

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Solution

The fourth proportional to 239,793.70, 359,690.46 and 71,313.34 is: 106,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.70 : 359,690.46 = 71,313.34 : x
  2. Step 2: Convert to fraction form
    239,793.70/359,690.46 = 71,313.34/x
  3. Step 3: Cross multiply
    239,793.70x = 359,690.46 × 71,313.34
  4. Step 4: Simplify right side
    239,793.70x = 25,650,728,068.74
  5. Step 5: Solve for x
    x = 25,650,728,068.74/239,793.70
  6. Step 6: Final answer
    x = 106,969.98

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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.