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Finding the Fourth Proportional to 185,590.89, 256,116.11 and 100,707.96

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Solution

The fourth proportional to 185,590.89, 256,116.11 and 100,707.96 is: 138,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,590.89 : 256,116.11 = 100,707.96 : x
  2. Step 2: Convert to fraction form
    185,590.89/256,116.11 = 100,707.96/x
  3. Step 3: Cross multiply
    185,590.89x = 256,116.11 × 100,707.96
  4. Step 4: Simplify right side
    185,590.89x = 25,792,930,961.24
  5. Step 5: Solve for x
    x = 25,792,930,961.24/185,590.89
  6. Step 6: Final answer
    x = 138,977.35

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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.