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Finding the Fourth Proportional to 122,273.46, 183,437.80 and 43,387.70

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Solution

The fourth proportional to 122,273.46, 183,437.80 and 43,387.70 is: 65,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,273.46 : 183,437.80 = 43,387.70 : x
  2. Step 2: Convert to fraction form
    122,273.46/183,437.80 = 43,387.70/x
  3. Step 3: Cross multiply
    122,273.46x = 183,437.80 × 43,387.70
  4. Step 4: Simplify right side
    122,273.46x = 7,958,943,209.40
  5. Step 5: Solve for x
    x = 7,958,943,209.40/122,273.46
  6. Step 6: Final answer
    x = 65,091.34

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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.