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Finding the Fourth Proportional to 239,839.99, 359,697.30 and 71,314.93

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Solution

The fourth proportional to 239,839.99, 359,697.30 and 71,314.93 is: 106,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,839.99 : 359,697.30 = 71,314.93 : x
  2. Step 2: Convert to fraction form
    239,839.99/359,697.30 = 71,314.93/x
  3. Step 3: Cross multiply
    239,839.99x = 359,697.30 × 71,314.93
  4. Step 4: Simplify right side
    239,839.99x = 25,651,787,770.69
  5. Step 5: Solve for x
    x = 25,651,787,770.69/239,839.99
  6. Step 6: Final answer
    x = 106,953.76

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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.