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Finding the Fourth Proportional to 161,078.64, 241,585.11 and 61,203.81

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Solution

The fourth proportional to 161,078.64, 241,585.11 and 61,203.81 is: 91,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,078.64 : 241,585.11 = 61,203.81 : x
  2. Step 2: Convert to fraction form
    161,078.64/241,585.11 = 61,203.81/x
  3. Step 3: Cross multiply
    161,078.64x = 241,585.11 × 61,203.81
  4. Step 4: Simplify right side
    161,078.64x = 14,785,929,171.27
  5. Step 5: Solve for x
    x = 14,785,929,171.27/161,078.64
  6. Step 6: Final answer
    x = 91,793.23

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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.