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Finding the Fourth Proportional to 166,940.94, 230,377.74 and 90,460.32

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Solution

The fourth proportional to 166,940.94, 230,377.74 and 90,460.32 is: 124,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,940.94 : 230,377.74 = 90,460.32 : x
  2. Step 2: Convert to fraction form
    166,940.94/230,377.74 = 90,460.32/x
  3. Step 3: Cross multiply
    166,940.94x = 230,377.74 × 90,460.32
  4. Step 4: Simplify right side
    166,940.94x = 20,840,044,081.28
  5. Step 5: Solve for x
    x = 20,840,044,081.28/166,940.94
  6. Step 6: Final answer
    x = 124,834.83

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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.