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Finding the Fourth Proportional to 91,594.72, 137,393.97 and 60,204.93

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Solution

The fourth proportional to 91,594.72, 137,393.97 and 60,204.93 is: 90,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,594.72 : 137,393.97 = 60,204.93 : x
  2. Step 2: Convert to fraction form
    91,594.72/137,393.97 = 60,204.93/x
  3. Step 3: Cross multiply
    91,594.72x = 137,393.97 × 60,204.93
  4. Step 4: Simplify right side
    91,594.72x = 8,271,794,346.27
  5. Step 5: Solve for x
    x = 8,271,794,346.27/91,594.72
  6. Step 6: Final answer
    x = 90,308.64

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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.