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Finding the Fourth Proportional to 247,596.60, 371,394.90 and 70,104.54

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Solution

The fourth proportional to 247,596.60, 371,394.90 and 70,104.54 is: 105,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,596.60 : 371,394.90 = 70,104.54 : x
  2. Step 2: Convert to fraction form
    247,596.60/371,394.90 = 70,104.54/x
  3. Step 3: Cross multiply
    247,596.60x = 371,394.90 × 70,104.54
  4. Step 4: Simplify right side
    247,596.60x = 26,036,468,622.85
  5. Step 5: Solve for x
    x = 26,036,468,622.85/247,596.60
  6. Step 6: Final answer
    x = 105,156.81

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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.