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Finding the Fourth Proportional to 166,007.04, 229,086 and 90,558.24

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Solution

The fourth proportional to 166,007.04, 229,086 and 90,558.24 is: 124,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,007.04 : 229,086 = 90,558.24 : x
  2. Step 2: Convert to fraction form
    166,007.04/229,086 = 90,558.24/x
  3. Step 3: Cross multiply
    166,007.04x = 229,086 × 90,558.24
  4. Step 4: Simplify right side
    166,007.04x = 20,745,624,968.64
  5. Step 5: Solve for x
    x = 20,745,624,968.64/166,007.04
  6. Step 6: Final answer
    x = 124,968.34

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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.