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Finding the Fourth Proportional to 284,061.79, 426,061.20 and 101,685.37

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Solution

The fourth proportional to 284,061.79, 426,061.20 and 101,685.37 is: 152,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,061.79 : 426,061.20 = 101,685.37 : x
  2. Step 2: Convert to fraction form
    284,061.79/426,061.20 = 101,685.37/x
  3. Step 3: Cross multiply
    284,061.79x = 426,061.20 × 101,685.37
  4. Step 4: Simplify right side
    284,061.79x = 43,324,190,764.64
  5. Step 5: Solve for x
    x = 43,324,190,764.64/284,061.79
  6. Step 6: Final answer
    x = 152,516.78

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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.