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Finding the Fourth Proportional to 222,001.45, 332,619.45 and 103,429.60

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Solution

The fourth proportional to 222,001.45, 332,619.45 and 103,429.60 is: 154,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,001.45 : 332,619.45 = 103,429.60 : x
  2. Step 2: Convert to fraction form
    222,001.45/332,619.45 = 103,429.60/x
  3. Step 3: Cross multiply
    222,001.45x = 332,619.45 × 103,429.60
  4. Step 4: Simplify right side
    222,001.45x = 34,402,696,665.72
  5. Step 5: Solve for x
    x = 34,402,696,665.72/222,001.45
  6. Step 6: Final answer
    x = 154,966.09

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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.