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Finding the Fourth Proportional to 113,847.10, 170,770.65 and 43,728.10

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Solution

The fourth proportional to 113,847.10, 170,770.65 and 43,728.10 is: 65,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,847.10 : 170,770.65 = 43,728.10 : x
  2. Step 2: Convert to fraction form
    113,847.10/170,770.65 = 43,728.10/x
  3. Step 3: Cross multiply
    113,847.10x = 170,770.65 × 43,728.10
  4. Step 4: Simplify right side
    113,847.10x = 7,467,476,060.27
  5. Step 5: Solve for x
    x = 7,467,476,060.27/113,847.10
  6. Step 6: Final answer
    x = 65,592.15

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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.