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Finding the Fourth Proportional to 221,551.52, 332,328.36 and 55,339.52

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Solution

The fourth proportional to 221,551.52, 332,328.36 and 55,339.52 is: 83,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,551.52 : 332,328.36 = 55,339.52 : x
  2. Step 2: Convert to fraction form
    221,551.52/332,328.36 = 55,339.52/x
  3. Step 3: Cross multiply
    221,551.52x = 332,328.36 × 55,339.52
  4. Step 4: Simplify right side
    221,551.52x = 18,390,891,924.79
  5. Step 5: Solve for x
    x = 18,390,891,924.79/221,551.52
  6. Step 6: Final answer
    x = 83,009.55

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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.