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Finding the Fourth Proportional to 221,898.06, 332,846.28 and 55,686.06

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Solution

The fourth proportional to 221,898.06, 332,846.28 and 55,686.06 is: 83,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,898.06 : 332,846.28 = 55,686.06 : x
  2. Step 2: Convert to fraction form
    221,898.06/332,846.28 = 55,686.06/x
  3. Step 3: Cross multiply
    221,898.06x = 332,846.28 × 55,686.06
  4. Step 4: Simplify right side
    221,898.06x = 18,534,897,918.86
  5. Step 5: Solve for x
    x = 18,534,897,918.86/221,898.06
  6. Step 6: Final answer
    x = 83,528.89

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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.