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Finding the Fourth Proportional to 225,310.35, 310,907.02 and 134,648.27

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Solution

The fourth proportional to 225,310.35, 310,907.02 and 134,648.27 is: 185,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,310.35 : 310,907.02 = 134,648.27 : x
  2. Step 2: Convert to fraction form
    225,310.35/310,907.02 = 134,648.27/x
  3. Step 3: Cross multiply
    225,310.35x = 310,907.02 × 134,648.27
  4. Step 4: Simplify right side
    225,310.35x = 41,863,092,373.86
  5. Step 5: Solve for x
    x = 41,863,092,373.86/225,310.35
  6. Step 6: Final answer
    x = 185,801.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.