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Finding the Fourth Proportional to 166,908.64, 250,360.64 and 40,549.76

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Solution

The fourth proportional to 166,908.64, 250,360.64 and 40,549.76 is: 60,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,908.64 : 250,360.64 = 40,549.76 : x
  2. Step 2: Convert to fraction form
    166,908.64/250,360.64 = 40,549.76/x
  3. Step 3: Cross multiply
    166,908.64x = 250,360.64 × 40,549.76
  4. Step 4: Simplify right side
    166,908.64x = 10,152,063,865.45
  5. Step 5: Solve for x
    x = 10,152,063,865.45/166,908.64
  6. Step 6: Final answer
    x = 60,824.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.