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Finding the Fourth Proportional to 247,204.59, 370,774.09 and 69,725.89

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Solution

The fourth proportional to 247,204.59, 370,774.09 and 69,725.89 is: 104,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,204.59 : 370,774.09 = 69,725.89 : x
  2. Step 2: Convert to fraction form
    247,204.59/370,774.09 = 69,725.89/x
  3. Step 3: Cross multiply
    247,204.59x = 370,774.09 × 69,725.89
  4. Step 4: Simplify right side
    247,204.59x = 25,852,553,964.82
  5. Step 5: Solve for x
    x = 25,852,553,964.82/247,204.59
  6. Step 6: Final answer
    x = 104,579.59

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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.