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Finding the Fourth Proportional to 221,827.02, 332,740.53 and 55,615.02

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Solution

The fourth proportional to 221,827.02, 332,740.53 and 55,615.02 is: 83,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,827.02 : 332,740.53 = 55,615.02 : x
  2. Step 2: Convert to fraction form
    221,827.02/332,740.53 = 55,615.02/x
  3. Step 3: Cross multiply
    221,827.02x = 332,740.53 × 55,615.02
  4. Step 4: Simplify right side
    221,827.02x = 18,505,371,230.76
  5. Step 5: Solve for x
    x = 18,505,371,230.76/221,827.02
  6. Step 6: Final answer
    x = 83,422.53

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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.