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Finding the Fourth Proportional to 244,705.10, 367,013.90 and 155,694.20

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Solution

The fourth proportional to 244,705.10, 367,013.90 and 155,694.20 is: 233,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,705.10 : 367,013.90 = 155,694.20 : x
  2. Step 2: Convert to fraction form
    244,705.10/367,013.90 = 155,694.20/x
  3. Step 3: Cross multiply
    244,705.10x = 367,013.90 × 155,694.20
  4. Step 4: Simplify right side
    244,705.10x = 57,141,932,935.84
  5. Step 5: Solve for x
    x = 57,141,932,935.84/244,705.10
  6. Step 6: Final answer
    x = 233,513.46

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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.