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Finding the Fourth Proportional to 221,923.99, 332,888.42 and 64,153.81

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Solution

The fourth proportional to 221,923.99, 332,888.42 and 64,153.81 is: 96,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,923.99 : 332,888.42 = 64,153.81 : x
  2. Step 2: Convert to fraction form
    221,923.99/332,888.42 = 64,153.81/x
  3. Step 3: Cross multiply
    221,923.99x = 332,888.42 × 64,153.81
  4. Step 4: Simplify right side
    221,923.99x = 21,356,061,199.91
  5. Step 5: Solve for x
    x = 21,356,061,199.91/221,923.99
  6. Step 6: Final answer
    x = 96,231.42

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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.