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Finding the Fourth Proportional to 67,880.70, 101,783.88 and 23,503.68

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Solution

The fourth proportional to 67,880.70, 101,783.88 and 23,503.68 is: 35,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.70 : 101,783.88 = 23,503.68 : x
  2. Step 2: Convert to fraction form
    67,880.70/101,783.88 = 23,503.68/x
  3. Step 3: Cross multiply
    67,880.70x = 101,783.88 × 23,503.68
  4. Step 4: Simplify right side
    67,880.70x = 2,392,295,744.68
  5. Step 5: Solve for x
    x = 2,392,295,744.68/67,880.70
  6. Step 6: Final answer
    x = 35,242.65

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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.