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Finding the Fourth Proportional to 124,175.93, 186,212.84 and 49,285.76

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Solution

The fourth proportional to 124,175.93, 186,212.84 and 49,285.76 is: 73,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,175.93 : 186,212.84 = 49,285.76 : x
  2. Step 2: Convert to fraction form
    124,175.93/186,212.84 = 49,285.76/x
  3. Step 3: Cross multiply
    124,175.93x = 186,212.84 × 49,285.76
  4. Step 4: Simplify right side
    124,175.93x = 9,177,640,163.67
  5. Step 5: Solve for x
    x = 9,177,640,163.67/124,175.93
  6. Step 6: Final answer
    x = 73,908.37

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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.