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Finding the Fourth Proportional to 226,878.80, 340,512.60 and 100,713.20

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Solution

The fourth proportional to 226,878.80, 340,512.60 and 100,713.20 is: 151,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,878.80 : 340,512.60 = 100,713.20 : x
  2. Step 2: Convert to fraction form
    226,878.80/340,512.60 = 100,713.20/x
  3. Step 3: Cross multiply
    226,878.80x = 340,512.60 × 100,713.20
  4. Step 4: Simplify right side
    226,878.80x = 34,294,113,586.32
  5. Step 5: Solve for x
    x = 34,294,113,586.32/226,878.80
  6. Step 6: Final answer
    x = 151,156.10

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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.