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Finding the Fourth Proportional to 166,719.75, 250,080.03 and 42,060.75

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Solution

The fourth proportional to 166,719.75, 250,080.03 and 42,060.75 is: 63,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,719.75 : 250,080.03 = 42,060.75 : x
  2. Step 2: Convert to fraction form
    166,719.75/250,080.03 = 42,060.75/x
  3. Step 3: Cross multiply
    166,719.75x = 250,080.03 × 42,060.75
  4. Step 4: Simplify right side
    166,719.75x = 10,518,553,621.82
  5. Step 5: Solve for x
    x = 10,518,553,621.82/166,719.75
  6. Step 6: Final answer
    x = 63,091.23

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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.