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Finding the Fourth Proportional to 173,958.16, 260,965.60 and 61,614.02

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Solution

The fourth proportional to 173,958.16, 260,965.60 and 61,614.02 is: 92,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.16 : 260,965.60 = 61,614.02 : x
  2. Step 2: Convert to fraction form
    173,958.16/260,965.60 = 61,614.02/x
  3. Step 3: Cross multiply
    173,958.16x = 260,965.60 × 61,614.02
  4. Step 4: Simplify right side
    173,958.16x = 16,079,138,728.16
  5. Step 5: Solve for x
    x = 16,079,138,728.16/173,958.16
  6. Step 6: Final answer
    x = 92,431.07

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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.