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Finding the Fourth Proportional to 174,449.60, 261,285.60 and 151,121.60

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Solution

The fourth proportional to 174,449.60, 261,285.60 and 151,121.60 is: 226,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,449.60 : 261,285.60 = 151,121.60 : x
  2. Step 2: Convert to fraction form
    174,449.60/261,285.60 = 151,121.60/x
  3. Step 3: Cross multiply
    174,449.60x = 261,285.60 × 151,121.60
  4. Step 4: Simplify right side
    174,449.60x = 39,485,897,928.96
  5. Step 5: Solve for x
    x = 39,485,897,928.96/174,449.60
  6. Step 6: Final answer
    x = 226,345.59

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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.