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Finding the Fourth Proportional to 228,028.77, 340,780.77 and 168,179.09

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Solution

The fourth proportional to 228,028.77, 340,780.77 and 168,179.09 is: 251,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,028.77 : 340,780.77 = 168,179.09 : x
  2. Step 2: Convert to fraction form
    228,028.77/340,780.77 = 168,179.09/x
  3. Step 3: Cross multiply
    228,028.77x = 340,780.77 × 168,179.09
  4. Step 4: Simplify right side
    228,028.77x = 57,312,198,084.20
  5. Step 5: Solve for x
    x = 57,312,198,084.20/228,028.77
  6. Step 6: Final answer
    x = 251,337.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.