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Finding the Fourth Proportional to 247,200.36, 370,767.72 and 69,721.68

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Solution

The fourth proportional to 247,200.36, 370,767.72 and 69,721.68 is: 104,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200.36 : 370,767.72 = 69,721.68 : x
  2. Step 2: Convert to fraction form
    247,200.36/370,767.72 = 69,721.68/x
  3. Step 3: Cross multiply
    247,200.36x = 370,767.72 × 69,721.68
  4. Step 4: Simplify right side
    247,200.36x = 25,850,548,328.17
  5. Step 5: Solve for x
    x = 25,850,548,328.17/247,200.36
  6. Step 6: Final answer
    x = 104,573.26

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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.