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Finding the Fourth Proportional to 166,527.60, 229,528.16 and 126,228.48

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Solution

The fourth proportional to 166,527.60, 229,528.16 and 126,228.48 is: 173,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,527.60 : 229,528.16 = 126,228.48 : x
  2. Step 2: Convert to fraction form
    166,527.60/229,528.16 = 126,228.48/x
  3. Step 3: Cross multiply
    166,527.60x = 229,528.16 × 126,228.48
  4. Step 4: Simplify right side
    166,527.60x = 28,972,990,754.00
  5. Step 5: Solve for x
    x = 28,972,990,754.00/166,527.60
  6. Step 6: Final answer
    x = 173,983.12

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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.