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Finding the Fourth Proportional to 151,142.10, 226,713.15 and 45,960.90

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Solution

The fourth proportional to 151,142.10, 226,713.15 and 45,960.90 is: 68,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,142.10 : 226,713.15 = 45,960.90 : x
  2. Step 2: Convert to fraction form
    151,142.10/226,713.15 = 45,960.90/x
  3. Step 3: Cross multiply
    151,142.10x = 226,713.15 × 45,960.90
  4. Step 4: Simplify right side
    151,142.10x = 10,419,940,415.84
  5. Step 5: Solve for x
    x = 10,419,940,415.84/151,142.10
  6. Step 6: Final answer
    x = 68,941.35

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Similar ratio
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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.