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Finding the Fourth Proportional to 148,405.91, 222,606.90 and 36,085.82

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Solution

The fourth proportional to 148,405.91, 222,606.90 and 36,085.82 is: 54,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,405.91 : 222,606.90 = 36,085.82 : x
  2. Step 2: Convert to fraction form
    148,405.91/222,606.90 = 36,085.82/x
  3. Step 3: Cross multiply
    148,405.91x = 222,606.90 × 36,085.82
  4. Step 4: Simplify right side
    148,405.91x = 8,032,951,411.12
  5. Step 5: Solve for x
    x = 8,032,951,411.12/148,405.91
  6. Step 6: Final answer
    x = 54,128.25

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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.