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Finding the Fourth Proportional to 239,249.60, 358,845.60 and 98,993.60

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Solution

The fourth proportional to 239,249.60, 358,845.60 and 98,993.60 is: 148,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,249.60 : 358,845.60 = 98,993.60 : x
  2. Step 2: Convert to fraction form
    239,249.60/358,845.60 = 98,993.60/x
  3. Step 3: Cross multiply
    239,249.60x = 358,845.60 × 98,993.60
  4. Step 4: Simplify right side
    239,249.60x = 35,523,417,788.16
  5. Step 5: Solve for x
    x = 35,523,417,788.16/239,249.60
  6. Step 6: Final answer
    x = 148,478.48

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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.