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Finding the Fourth Proportional to 115,843.72, 173,707.26 and 56,590.60

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Solution

The fourth proportional to 115,843.72, 173,707.26 and 56,590.60 is: 84,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,843.72 : 173,707.26 = 56,590.60 : x
  2. Step 2: Convert to fraction form
    115,843.72/173,707.26 = 56,590.60/x
  3. Step 3: Cross multiply
    115,843.72x = 173,707.26 × 56,590.60
  4. Step 4: Simplify right side
    115,843.72x = 9,830,198,067.76
  5. Step 5: Solve for x
    x = 9,830,198,067.76/115,843.72
  6. Step 6: Final answer
    x = 84,857.41

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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.