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Finding the Fourth Proportional to 105,573.93, 145,694.39 and 60,251.01

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Solution

The fourth proportional to 105,573.93, 145,694.39 and 60,251.01 is: 83,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.93 : 145,694.39 = 60,251.01 : x
  2. Step 2: Convert to fraction form
    105,573.93/145,694.39 = 60,251.01/x
  3. Step 3: Cross multiply
    105,573.93x = 145,694.39 × 60,251.01
  4. Step 4: Simplify right side
    105,573.93x = 8,778,233,847.58
  5. Step 5: Solve for x
    x = 8,778,233,847.58/105,573.93
  6. Step 6: Final answer
    x = 83,147.74

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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.