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Finding the Fourth Proportional to 122,068.69, 183,202.36 and 62,921.27

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Solution

The fourth proportional to 122,068.69, 183,202.36 and 62,921.27 is: 94,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,068.69 : 183,202.36 = 62,921.27 : x
  2. Step 2: Convert to fraction form
    122,068.69/183,202.36 = 62,921.27/x
  3. Step 3: Cross multiply
    122,068.69x = 183,202.36 × 62,921.27
  4. Step 4: Simplify right side
    122,068.69x = 11,527,325,458.90
  5. Step 5: Solve for x
    x = 11,527,325,458.90/122,068.69
  6. Step 6: Final answer
    x = 94,433.11

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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.