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Finding the Fourth Proportional to 230,409, 345,483.24 and 95,396.72

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Solution

The fourth proportional to 230,409, 345,483.24 and 95,396.72 is: 143,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,409 : 345,483.24 = 95,396.72 : x
  2. Step 2: Convert to fraction form
    230,409/345,483.24 = 95,396.72/x
  3. Step 3: Cross multiply
    230,409x = 345,483.24 × 95,396.72
  4. Step 4: Simplify right side
    230,409x = 32,957,967,910.97
  5. Step 5: Solve for x
    x = 32,957,967,910.97/230,409
  6. Step 6: Final answer
    x = 143,041.15

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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.