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Finding the Fourth Proportional to 222,365.68, 332,897.88 and 137,870.93

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Solution

The fourth proportional to 222,365.68, 332,897.88 and 137,870.93 is: 206,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,365.68 : 332,897.88 = 137,870.93 : x
  2. Step 2: Convert to fraction form
    222,365.68/332,897.88 = 137,870.93/x
  3. Step 3: Cross multiply
    222,365.68x = 332,897.88 × 137,870.93
  4. Step 4: Simplify right side
    222,365.68x = 45,896,940,310.63
  5. Step 5: Solve for x
    x = 45,896,940,310.63/222,365.68
  6. Step 6: Final answer
    x = 206,402.99

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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.