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Finding the Fourth Proportional to 244,651.64, 367,032.72 and 86,880.20

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Solution

The fourth proportional to 244,651.64, 367,032.72 and 86,880.20 is: 130,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,651.64 : 367,032.72 = 86,880.20 : x
  2. Step 2: Convert to fraction form
    244,651.64/367,032.72 = 86,880.20/x
  3. Step 3: Cross multiply
    244,651.64x = 367,032.72 × 86,880.20
  4. Step 4: Simplify right side
    244,651.64x = 31,887,876,120.14
  5. Step 5: Solve for x
    x = 31,887,876,120.14/244,651.64
  6. Step 6: Final answer
    x = 130,339.92

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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.