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Finding the Fourth Proportional to 115,991.72, 173,985.04 and 37,105.68

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Solution

The fourth proportional to 115,991.72, 173,985.04 and 37,105.68 is: 55,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,991.72 : 173,985.04 = 37,105.68 : x
  2. Step 2: Convert to fraction form
    115,991.72/173,985.04 = 37,105.68/x
  3. Step 3: Cross multiply
    115,991.72x = 173,985.04 × 37,105.68
  4. Step 4: Simplify right side
    115,991.72x = 6,455,833,219.03
  5. Step 5: Solve for x
    x = 6,455,833,219.03/115,991.72
  6. Step 6: Final answer
    x = 55,657.71

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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.