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Finding the Fourth Proportional to 166,200.94, 229,356.39 and 90,748.90

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Solution

The fourth proportional to 166,200.94, 229,356.39 and 90,748.90 is: 125,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,200.94 : 229,356.39 = 90,748.90 : x
  2. Step 2: Convert to fraction form
    166,200.94/229,356.39 = 90,748.90/x
  3. Step 3: Cross multiply
    166,200.94x = 229,356.39 × 90,748.90
  4. Step 4: Simplify right side
    166,200.94x = 20,813,840,100.47
  5. Step 5: Solve for x
    x = 20,813,840,100.47/166,200.94
  6. Step 6: Final answer
    x = 125,232.99

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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.