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Finding the Fourth Proportional to 174,790.64, 241,231.56 and 99,350.48

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Solution

The fourth proportional to 174,790.64, 241,231.56 and 99,350.48 is: 137,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,790.64 : 241,231.56 = 99,350.48 : x
  2. Step 2: Convert to fraction form
    174,790.64/241,231.56 = 99,350.48/x
  3. Step 3: Cross multiply
    174,790.64x = 241,231.56 × 99,350.48
  4. Step 4: Simplify right side
    174,790.64x = 23,966,471,277.15
  5. Step 5: Solve for x
    x = 23,966,471,277.15/174,790.64
  6. Step 6: Final answer
    x = 137,115.30

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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.