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Finding the Fourth Proportional to 146,043.33, 218,981.16 and 57,192.81

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Solution

The fourth proportional to 146,043.33, 218,981.16 and 57,192.81 is: 85,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,043.33 : 218,981.16 = 57,192.81 : x
  2. Step 2: Convert to fraction form
    146,043.33/218,981.16 = 57,192.81/x
  3. Step 3: Cross multiply
    146,043.33x = 218,981.16 × 57,192.81
  4. Step 4: Simplify right side
    146,043.33x = 12,524,147,877.46
  5. Step 5: Solve for x
    x = 12,524,147,877.46/146,043.33
  6. Step 6: Final answer
    x = 85,756.38

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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.