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Finding the Fourth Proportional to 172,097.87, 237,428.69 and 126,883.33

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Solution

The fourth proportional to 172,097.87, 237,428.69 and 126,883.33 is: 175,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,097.87 : 237,428.69 = 126,883.33 : x
  2. Step 2: Convert to fraction form
    172,097.87/237,428.69 = 126,883.33/x
  3. Step 3: Cross multiply
    172,097.87x = 237,428.69 × 126,883.33
  4. Step 4: Simplify right side
    172,097.87x = 30,125,741,596.75
  5. Step 5: Solve for x
    x = 30,125,741,596.75/172,097.87
  6. Step 6: Final answer
    x = 175,050.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.