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Finding the Fourth Proportional to 244,628.90, 366,979.80 and 86,844.14

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Solution

The fourth proportional to 244,628.90, 366,979.80 and 86,844.14 is: 130,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,628.90 : 366,979.80 = 86,844.14 : x
  2. Step 2: Convert to fraction form
    244,628.90/366,979.80 = 86,844.14/x
  3. Step 3: Cross multiply
    244,628.90x = 366,979.80 × 86,844.14
  4. Step 4: Simplify right side
    244,628.90x = 31,870,045,128.37
  5. Step 5: Solve for x
    x = 31,870,045,128.37/244,628.90
  6. Step 6: Final answer
    x = 130,279.15

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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.