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Finding the Fourth Proportional to 115,998.93, 173,999.42 and 45,878.24

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Solution

The fourth proportional to 115,998.93, 173,999.42 and 45,878.24 is: 68,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.93 : 173,999.42 = 45,878.24 : x
  2. Step 2: Convert to fraction form
    115,998.93/173,999.42 = 45,878.24/x
  3. Step 3: Cross multiply
    115,998.93x = 173,999.42 × 45,878.24
  4. Step 4: Simplify right side
    115,998.93x = 7,982,787,150.62
  5. Step 5: Solve for x
    x = 7,982,787,150.62/115,998.93
  6. Step 6: Final answer
    x = 68,817.77

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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.