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Finding the Fourth Proportional to 221,406.60, 332,153.10 and 95,046.60

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Solution

The fourth proportional to 221,406.60, 332,153.10 and 95,046.60 is: 142,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,406.60 : 332,153.10 = 95,046.60 : x
  2. Step 2: Convert to fraction form
    221,406.60/332,153.10 = 95,046.60/x
  3. Step 3: Cross multiply
    221,406.60x = 332,153.10 × 95,046.60
  4. Step 4: Simplify right side
    221,406.60x = 31,570,022,834.46
  5. Step 5: Solve for x
    x = 31,570,022,834.46/221,406.60
  6. Step 6: Final answer
    x = 142,588.45

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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.