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Finding the Fourth Proportional to 247,346.40, 371,192.40 and 107,205.60

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Solution

The fourth proportional to 247,346.40, 371,192.40 and 107,205.60 is: 160,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,346.40 : 371,192.40 = 107,205.60 : x
  2. Step 2: Convert to fraction form
    247,346.40/371,192.40 = 107,205.60/x
  3. Step 3: Cross multiply
    247,346.40x = 371,192.40 × 107,205.60
  4. Step 4: Simplify right side
    247,346.40x = 39,793,903,957.44
  5. Step 5: Solve for x
    x = 39,793,903,957.44/247,346.40
  6. Step 6: Final answer
    x = 160,883.30

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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.