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Finding the Fourth Proportional to 229,100.30, 343,650.45 and 60,620.30

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Solution

The fourth proportional to 229,100.30, 343,650.45 and 60,620.30 is: 90,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,100.30 : 343,650.45 = 60,620.30 : x
  2. Step 2: Convert to fraction form
    229,100.30/343,650.45 = 60,620.30/x
  3. Step 3: Cross multiply
    229,100.30x = 343,650.45 × 60,620.30
  4. Step 4: Simplify right side
    229,100.30x = 20,832,193,374.14
  5. Step 5: Solve for x
    x = 20,832,193,374.14/229,100.30
  6. Step 6: Final answer
    x = 90,930.45

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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.