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Finding the Fourth Proportional to 173,382.56, 260,148.96 and 61,142.97

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Solution

The fourth proportional to 173,382.56, 260,148.96 and 61,142.97 is: 91,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,382.56 : 260,148.96 = 61,142.97 : x
  2. Step 2: Convert to fraction form
    173,382.56/260,148.96 = 61,142.97/x
  3. Step 3: Cross multiply
    173,382.56x = 260,148.96 × 61,142.97
  4. Step 4: Simplify right side
    173,382.56x = 15,906,280,056.81
  5. Step 5: Solve for x
    x = 15,906,280,056.81/173,382.56
  6. Step 6: Final answer
    x = 91,740.95

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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.