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Finding the Fourth Proportional to 70,310.76, 105,477.14 and 22,914.87

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Solution

The fourth proportional to 70,310.76, 105,477.14 and 22,914.87 is: 34,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310.76 : 105,477.14 = 22,914.87 : x
  2. Step 2: Convert to fraction form
    70,310.76/105,477.14 = 22,914.87/x
  3. Step 3: Cross multiply
    70,310.76x = 105,477.14 × 22,914.87
  4. Step 4: Simplify right side
    70,310.76x = 2,416,994,951.07
  5. Step 5: Solve for x
    x = 2,416,994,951.07/70,310.76
  6. Step 6: Final answer
    x = 34,375.89

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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.