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Finding the Fourth Proportional to 323,775.24, 485,546.22 and 136,801.32

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Solution

The fourth proportional to 323,775.24, 485,546.22 and 136,801.32 is: 205,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,775.24 : 485,546.22 = 136,801.32 : x
  2. Step 2: Convert to fraction form
    323,775.24/485,546.22 = 136,801.32/x
  3. Step 3: Cross multiply
    323,775.24x = 485,546.22 × 136,801.32
  4. Step 4: Simplify right side
    323,775.24x = 66,423,363,817.01
  5. Step 5: Solve for x
    x = 66,423,363,817.01/323,775.24
  6. Step 6: Final answer
    x = 205,152.70

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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.