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Finding the Fourth Proportional to 107,912.52, 148,919.49 and 60,168.93

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Solution

The fourth proportional to 107,912.52, 148,919.49 and 60,168.93 is: 83,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.52 : 148,919.49 = 60,168.93 : x
  2. Step 2: Convert to fraction form
    107,912.52/148,919.49 = 60,168.93/x
  3. Step 3: Cross multiply
    107,912.52x = 148,919.49 × 60,168.93
  4. Step 4: Simplify right side
    107,912.52x = 8,960,326,369.45
  5. Step 5: Solve for x
    x = 8,960,326,369.45/107,912.52
  6. Step 6: Final answer
    x = 83,033.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.