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Finding the Fourth Proportional to 124,168.60, 186,184.86 and 49,212.82

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Solution

The fourth proportional to 124,168.60, 186,184.86 and 49,212.82 is: 73,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.60 : 186,184.86 = 49,212.82 : x
  2. Step 2: Convert to fraction form
    124,168.60/186,184.86 = 49,212.82/x
  3. Step 3: Cross multiply
    124,168.60x = 186,184.86 × 49,212.82
  4. Step 4: Simplify right side
    124,168.60x = 9,162,682,001.91
  5. Step 5: Solve for x
    x = 9,162,682,001.91/124,168.60
  6. Step 6: Final answer
    x = 73,792.26

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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.