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Finding the Fourth Proportional to 166,851.76, 250,275.52 and 40,493.08

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Solution

The fourth proportional to 166,851.76, 250,275.52 and 40,493.08 is: 60,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,851.76 : 250,275.52 = 40,493.08 : x
  2. Step 2: Convert to fraction form
    166,851.76/250,275.52 = 40,493.08/x
  3. Step 3: Cross multiply
    166,851.76x = 250,275.52 × 40,493.08
  4. Step 4: Simplify right side
    166,851.76x = 10,134,426,653.40
  5. Step 5: Solve for x
    x = 10,134,426,653.40/166,851.76
  6. Step 6: Final answer
    x = 60,739.11

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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.