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Finding the Fourth Proportional to 221,364.90, 332,011.71 and 63,557.46

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Solution

The fourth proportional to 221,364.90, 332,011.71 and 63,557.46 is: 95,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,364.90 : 332,011.71 = 63,557.46 : x
  2. Step 2: Convert to fraction form
    221,364.90/332,011.71 = 63,557.46/x
  3. Step 3: Cross multiply
    221,364.90x = 332,011.71 × 63,557.46
  4. Step 4: Simplify right side
    221,364.90x = 21,101,820,977.86
  5. Step 5: Solve for x
    x = 21,101,820,977.86/221,364.90
  6. Step 6: Final answer
    x = 95,325.96

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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.