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Finding the Fourth Proportional to 173,960.16, 260,968.60 and 61,616.02

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Solution

The fourth proportional to 173,960.16, 260,968.60 and 61,616.02 is: 92,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,960.16 : 260,968.60 = 61,616.02 : x
  2. Step 2: Convert to fraction form
    173,960.16/260,968.60 = 61,616.02/x
  3. Step 3: Cross multiply
    173,960.16x = 260,968.60 × 61,616.02
  4. Step 4: Simplify right side
    173,960.16x = 16,079,846,476.97
  5. Step 5: Solve for x
    x = 16,079,846,476.97/173,960.16
  6. Step 6: Final answer
    x = 92,434.08

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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.