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Finding the Fourth Proportional to 247,476.60, 371,173.62 and 69,943.32

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Solution

The fourth proportional to 247,476.60, 371,173.62 and 69,943.32 is: 104,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,476.60 : 371,173.62 = 69,943.32 : x
  2. Step 2: Convert to fraction form
    247,476.60/371,173.62 = 69,943.32/x
  3. Step 3: Cross multiply
    247,476.60x = 371,173.62 × 69,943.32
  4. Step 4: Simplify right side
    247,476.60x = 25,961,115,279.22
  5. Step 5: Solve for x
    x = 25,961,115,279.22/247,476.60
  6. Step 6: Final answer
    x = 104,903.31

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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.