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Finding the Fourth Proportional to 137,726.70, 206,590.05 and 95,736.30

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Solution

The fourth proportional to 137,726.70, 206,590.05 and 95,736.30 is: 143,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,726.70 : 206,590.05 = 95,736.30 : x
  2. Step 2: Convert to fraction form
    137,726.70/206,590.05 = 95,736.30/x
  3. Step 3: Cross multiply
    137,726.70x = 206,590.05 × 95,736.30
  4. Step 4: Simplify right side
    137,726.70x = 19,778,167,003.82
  5. Step 5: Solve for x
    x = 19,778,167,003.82/137,726.70
  6. Step 6: Final answer
    x = 143,604.45

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1.5x scale

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.