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Finding the Fourth Proportional to 124,061.59, 186,092.39 and 53,940.91

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Solution

The fourth proportional to 124,061.59, 186,092.39 and 53,940.91 is: 80,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,061.59 : 186,092.39 = 53,940.91 : x
  2. Step 2: Convert to fraction form
    124,061.59/186,092.39 = 53,940.91/x
  3. Step 3: Cross multiply
    124,061.59x = 186,092.39 × 53,940.91
  4. Step 4: Simplify right side
    124,061.59x = 10,037,992,860.67
  5. Step 5: Solve for x
    x = 10,037,992,860.67/124,061.59
  6. Step 6: Final answer
    x = 80,911.37

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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.