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Finding the Fourth Proportional to 251,357.60, 347,035.92 and 166,589.60

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Solution

The fourth proportional to 251,357.60, 347,035.92 and 166,589.60 is: 230,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,357.60 : 347,035.92 = 166,589.60 : x
  2. Step 2: Convert to fraction form
    251,357.60/347,035.92 = 166,589.60/x
  3. Step 3: Cross multiply
    251,357.60x = 347,035.92 × 166,589.60
  4. Step 4: Simplify right side
    251,357.60x = 57,812,575,098.43
  5. Step 5: Solve for x
    x = 57,812,575,098.43/251,357.60
  6. Step 6: Final answer
    x = 230,001.30

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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.