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Finding the Fourth Proportional to 185,404.90, 277,821.10 and 125,197.42

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Solution

The fourth proportional to 185,404.90, 277,821.10 and 125,197.42 is: 187,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,404.90 : 277,821.10 = 125,197.42 : x
  2. Step 2: Convert to fraction form
    185,404.90/277,821.10 = 125,197.42/x
  3. Step 3: Cross multiply
    185,404.90x = 277,821.10 × 125,197.42
  4. Step 4: Simplify right side
    185,404.90x = 34,782,483,552.46
  5. Step 5: Solve for x
    x = 34,782,483,552.46/185,404.90
  6. Step 6: Final answer
    x = 187,602.83

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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.