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Finding the Fourth Proportional to 107,910.52, 148,916.73 and 60,166.93

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Solution

The fourth proportional to 107,910.52, 148,916.73 and 60,166.93 is: 83,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,910.52 : 148,916.73 = 60,166.93 : x
  2. Step 2: Convert to fraction form
    107,910.52/148,916.73 = 60,166.93/x
  3. Step 3: Cross multiply
    107,910.52x = 148,916.73 × 60,166.93
  4. Step 4: Simplify right side
    107,910.52x = 8,959,862,469.74
  5. Step 5: Solve for x
    x = 8,959,862,469.74/107,910.52
  6. Step 6: Final answer
    x = 83,030.48

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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.