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Finding the Fourth Proportional to 221,894.60, 332,925.77 and 133,209.92

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Solution

The fourth proportional to 221,894.60, 332,925.77 and 133,209.92 is: 199,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,894.60 : 332,925.77 = 133,209.92 : x
  2. Step 2: Convert to fraction form
    221,894.60/332,925.77 = 133,209.92/x
  3. Step 3: Cross multiply
    221,894.60x = 332,925.77 × 133,209.92
  4. Step 4: Simplify right side
    221,894.60x = 44,349,016,352.98
  5. Step 5: Solve for x
    x = 44,349,016,352.98/221,894.60
  6. Step 6: Final answer
    x = 199,865.24

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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.