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Finding the Fourth Proportional to 110,441.20, 165,710.40 and 51,246.40

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Solution

The fourth proportional to 110,441.20, 165,710.40 and 51,246.40 is: 76,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,441.20 : 165,710.40 = 51,246.40 : x
  2. Step 2: Convert to fraction form
    110,441.20/165,710.40 = 51,246.40/x
  3. Step 3: Cross multiply
    110,441.20x = 165,710.40 × 51,246.40
  4. Step 4: Simplify right side
    110,441.20x = 8,492,061,442.56
  5. Step 5: Solve for x
    x = 8,492,061,442.56/110,441.20
  6. Step 6: Final answer
    x = 76,892.15

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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.