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Finding the Fourth Proportional to 221,577.96, 332,337.75 and 61,664.52

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Solution

The fourth proportional to 221,577.96, 332,337.75 and 61,664.52 is: 92,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,577.96 : 332,337.75 = 61,664.52 : x
  2. Step 2: Convert to fraction form
    221,577.96/332,337.75 = 61,664.52/x
  3. Step 3: Cross multiply
    221,577.96x = 332,337.75 × 61,664.52
  4. Step 4: Simplify right side
    221,577.96x = 20,493,447,831.63
  5. Step 5: Solve for x
    x = 20,493,447,831.63/221,577.96
  6. Step 6: Final answer
    x = 92,488.66

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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.