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Finding the Fourth Proportional to 221,898.60, 333,184.86 and 193,801.32

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Solution

The fourth proportional to 221,898.60, 333,184.86 and 193,801.32 is: 290,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,898.60 : 333,184.86 = 193,801.32 : x
  2. Step 2: Convert to fraction form
    221,898.60/333,184.86 = 193,801.32/x
  3. Step 3: Cross multiply
    221,898.60x = 333,184.86 × 193,801.32
  4. Step 4: Simplify right side
    221,898.60x = 64,571,665,672.02
  5. Step 5: Solve for x
    x = 64,571,665,672.02/221,898.60
  6. Step 6: Final answer
    x = 290,996.27

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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.