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Finding the Fourth Proportional to 284,351.67, 426,526.16 and 73,989.27

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Solution

The fourth proportional to 284,351.67, 426,526.16 and 73,989.27 is: 110,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,351.67 : 426,526.16 = 73,989.27 : x
  2. Step 2: Convert to fraction form
    284,351.67/426,526.16 = 73,989.27/x
  3. Step 3: Cross multiply
    284,351.67x = 426,526.16 × 73,989.27
  4. Step 4: Simplify right side
    284,351.67x = 31,558,358,844.36
  5. Step 5: Solve for x
    x = 31,558,358,844.36/284,351.67
  6. Step 6: Final answer
    x = 110,983.55

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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.