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Finding the Fourth Proportional to 235,064.20, 324,388.60 and 134,462.20

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Solution

The fourth proportional to 235,064.20, 324,388.60 and 134,462.20 is: 185,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,064.20 : 324,388.60 = 134,462.20 : x
  2. Step 2: Convert to fraction form
    235,064.20/324,388.60 = 134,462.20/x
  3. Step 3: Cross multiply
    235,064.20x = 324,388.60 × 134,462.20
  4. Step 4: Simplify right side
    235,064.20x = 43,618,005,992.71
  5. Step 5: Solve for x
    x = 43,618,005,992.71/235,064.20
  6. Step 6: Final answer
    x = 185,557.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.