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Finding the Fourth Proportional to 395,640.60, 593,461.59 and 96,121.38

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Solution

The fourth proportional to 395,640.60, 593,461.59 and 96,121.38 is: 144,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,640.60 : 593,461.59 = 96,121.38 : x
  2. Step 2: Convert to fraction form
    395,640.60/593,461.59 = 96,121.38/x
  3. Step 3: Cross multiply
    395,640.60x = 593,461.59 × 96,121.38
  4. Step 4: Simplify right side
    395,640.60x = 57,044,348,872.82
  5. Step 5: Solve for x
    x = 57,044,348,872.82/395,640.60
  6. Step 6: Final answer
    x = 144,182.24

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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.