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Finding the Fourth Proportional to 193,410.20, 290,115.30 and 110,466.20

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Solution

The fourth proportional to 193,410.20, 290,115.30 and 110,466.20 is: 165,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,410.20 : 290,115.30 = 110,466.20 : x
  2. Step 2: Convert to fraction form
    193,410.20/290,115.30 = 110,466.20/x
  3. Step 3: Cross multiply
    193,410.20x = 290,115.30 × 110,466.20
  4. Step 4: Simplify right side
    193,410.20x = 32,047,934,752.86
  5. Step 5: Solve for x
    x = 32,047,934,752.86/193,410.20
  6. Step 6: Final answer
    x = 165,699.30

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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.