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Finding the Fourth Proportional to 152,747.60, 229,121.40 and 133,064.60

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Solution

The fourth proportional to 152,747.60, 229,121.40 and 133,064.60 is: 199,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,747.60 : 229,121.40 = 133,064.60 : x
  2. Step 2: Convert to fraction form
    152,747.60/229,121.40 = 133,064.60/x
  3. Step 3: Cross multiply
    152,747.60x = 229,121.40 × 133,064.60
  4. Step 4: Simplify right side
    152,747.60x = 30,487,947,442.44
  5. Step 5: Solve for x
    x = 30,487,947,442.44/152,747.60
  6. Step 6: Final answer
    x = 199,596.90

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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.