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Finding the Fourth Proportional to 166,476.84, 229,738.80 and 91,025.28

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Solution

The fourth proportional to 166,476.84, 229,738.80 and 91,025.28 is: 125,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,476.84 : 229,738.80 = 91,025.28 : x
  2. Step 2: Convert to fraction form
    166,476.84/229,738.80 = 91,025.28/x
  3. Step 3: Cross multiply
    166,476.84x = 229,738.80 × 91,025.28
  4. Step 4: Simplify right side
    166,476.84x = 20,912,038,596.86
  5. Step 5: Solve for x
    x = 20,912,038,596.86/166,476.84
  6. Step 6: Final answer
    x = 125,615.30

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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.