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Finding the Fourth Proportional to 115,144.97, 172,717.44 and 44,975.07

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Solution

The fourth proportional to 115,144.97, 172,717.44 and 44,975.07 is: 67,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,144.97 : 172,717.44 = 44,975.07 : x
  2. Step 2: Convert to fraction form
    115,144.97/172,717.44 = 44,975.07/x
  3. Step 3: Cross multiply
    115,144.97x = 172,717.44 × 44,975.07
  4. Step 4: Simplify right side
    115,144.97x = 7,767,978,954.22
  5. Step 5: Solve for x
    x = 7,767,978,954.22/115,144.97
  6. Step 6: Final answer
    x = 67,462.60

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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.