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Finding the Fourth Proportional to 91,730.03, 137,608.74 and 32,560.74

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Solution

The fourth proportional to 91,730.03, 137,608.74 and 32,560.74 is: 48,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.03 : 137,608.74 = 32,560.74 : x
  2. Step 2: Convert to fraction form
    91,730.03/137,608.74 = 32,560.74/x
  3. Step 3: Cross multiply
    91,730.03x = 137,608.74 × 32,560.74
  4. Step 4: Simplify right side
    91,730.03x = 4,480,642,404.87
  5. Step 5: Solve for x
    x = 4,480,642,404.87/91,730.03
  6. Step 6: Final answer
    x = 48,845.97

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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.