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Finding the Fourth Proportional to 247,328.59, 371,007.24 and 69,820.73

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Solution

The fourth proportional to 247,328.59, 371,007.24 and 69,820.73 is: 104,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,328.59 : 371,007.24 = 69,820.73 : x
  2. Step 2: Convert to fraction form
    247,328.59/371,007.24 = 69,820.73/x
  3. Step 3: Cross multiply
    247,328.59x = 371,007.24 × 69,820.73
  4. Step 4: Simplify right side
    247,328.59x = 25,903,997,693.41
  5. Step 5: Solve for x
    x = 25,903,997,693.41/247,328.59
  6. Step 6: Final answer
    x = 104,735.15

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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.