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Finding the Fourth Proportional to 244,695.70, 367,043.55 and 86,940.10

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Solution

The fourth proportional to 244,695.70, 367,043.55 and 86,940.10 is: 130,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,695.70 : 367,043.55 = 86,940.10 : x
  2. Step 2: Convert to fraction form
    244,695.70/367,043.55 = 86,940.10/x
  3. Step 3: Cross multiply
    244,695.70x = 367,043.55 × 86,940.10
  4. Step 4: Simplify right side
    244,695.70x = 31,910,802,941.36
  5. Step 5: Solve for x
    x = 31,910,802,941.36/244,695.70
  6. Step 6: Final answer
    x = 130,410.15

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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.