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Finding the Fourth Proportional to 348,658.83, 523,240.36 and 124,021.13

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Solution

The fourth proportional to 348,658.83, 523,240.36 and 124,021.13 is: 186,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,658.83 : 523,240.36 = 124,021.13 : x
  2. Step 2: Convert to fraction form
    348,658.83/523,240.36 = 124,021.13/x
  3. Step 3: Cross multiply
    348,658.83x = 523,240.36 × 124,021.13
  4. Step 4: Simplify right side
    348,658.83x = 64,892,857,782.55
  5. Step 5: Solve for x
    x = 64,892,857,782.55/348,658.83
  6. Step 6: Final answer
    x = 186,121.37

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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.