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Finding the Fourth Proportional to 166,719.25, 250,079.28 and 42,060.25

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Solution

The fourth proportional to 166,719.25, 250,079.28 and 42,060.25 is: 63,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,719.25 : 250,079.28 = 42,060.25 : x
  2. Step 2: Convert to fraction form
    166,719.25/250,079.28 = 42,060.25/x
  3. Step 3: Cross multiply
    166,719.25x = 250,079.28 × 42,060.25
  4. Step 4: Simplify right side
    166,719.25x = 10,518,397,036.62
  5. Step 5: Solve for x
    x = 10,518,397,036.62/166,719.25
  6. Step 6: Final answer
    x = 63,090.48

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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.