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Finding the Fourth Proportional to 173,414.75, 260,142.95 and 61,071.75

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Solution

The fourth proportional to 173,414.75, 260,142.95 and 61,071.75 is: 91,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,414.75 : 260,142.95 = 61,071.75 : x
  2. Step 2: Convert to fraction form
    173,414.75/260,142.95 = 61,071.75/x
  3. Step 3: Cross multiply
    173,414.75x = 260,142.95 × 61,071.75
  4. Step 4: Simplify right side
    173,414.75x = 15,887,385,359.34
  5. Step 5: Solve for x
    x = 15,887,385,359.34/173,414.75
  6. Step 6: Final answer
    x = 91,614.96

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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.