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Finding the Fourth Proportional to 221,574.96, 332,333.28 and 61,661.52

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Solution

The fourth proportional to 221,574.96, 332,333.28 and 61,661.52 is: 92,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,574.96 : 332,333.28 = 61,661.52 : x
  2. Step 2: Convert to fraction form
    221,574.96/332,333.28 = 61,661.52/x
  3. Step 3: Cross multiply
    221,574.96x = 332,333.28 × 61,661.52
  4. Step 4: Simplify right side
    221,574.96x = 20,492,175,191.39
  5. Step 5: Solve for x
    x = 20,492,175,191.39/221,574.96
  6. Step 6: Final answer
    x = 92,484.17

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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.