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Finding the Fourth Proportional to 234,493.20, 351,739.80 and 101,280.60

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Solution

The fourth proportional to 234,493.20, 351,739.80 and 101,280.60 is: 151,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,493.20 : 351,739.80 = 101,280.60 : x
  2. Step 2: Convert to fraction form
    234,493.20/351,739.80 = 101,280.60/x
  3. Step 3: Cross multiply
    234,493.20x = 351,739.80 × 101,280.60
  4. Step 4: Simplify right side
    234,493.20x = 35,624,417,987.88
  5. Step 5: Solve for x
    x = 35,624,417,987.88/234,493.20
  6. Step 6: Final answer
    x = 151,920.90

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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.