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Finding the Fourth Proportional to 115,993.62, 174,780.72 and 95,395.19

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Solution

The fourth proportional to 115,993.62, 174,780.72 and 95,395.19 is: 143,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,993.62 : 174,780.72 = 95,395.19 : x
  2. Step 2: Convert to fraction form
    115,993.62/174,780.72 = 95,395.19/x
  3. Step 3: Cross multiply
    115,993.62x = 174,780.72 × 95,395.19
  4. Step 4: Simplify right side
    115,993.62x = 16,673,239,118.83
  5. Step 5: Solve for x
    x = 16,673,239,118.83/115,993.62
  6. Step 6: Final answer
    x = 143,742.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.