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Finding the Fourth Proportional to 347,880.88, 521,870.60 and 111,168.24

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Solution

The fourth proportional to 347,880.88, 521,870.60 and 111,168.24 is: 166,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,880.88 : 521,870.60 = 111,168.24 : x
  2. Step 2: Convert to fraction form
    347,880.88/521,870.60 = 111,168.24/x
  3. Step 3: Cross multiply
    347,880.88x = 521,870.60 × 111,168.24
  4. Step 4: Simplify right side
    347,880.88x = 58,015,436,109.74
  5. Step 5: Solve for x
    x = 58,015,436,109.74/347,880.88
  6. Step 6: Final answer
    x = 166,768.11

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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.