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Finding the Fourth Proportional to 173,610.66, 260,416.65 and 61,229.85

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Solution

The fourth proportional to 173,610.66, 260,416.65 and 61,229.85 is: 91,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,610.66 : 260,416.65 = 61,229.85 : x
  2. Step 2: Convert to fraction form
    173,610.66/260,416.65 = 61,229.85/x
  3. Step 3: Cross multiply
    173,610.66x = 260,416.65 × 61,229.85
  4. Step 4: Simplify right side
    173,610.66x = 15,945,271,670.05
  5. Step 5: Solve for x
    x = 15,945,271,670.05/173,610.66
  6. Step 6: Final answer
    x = 91,845.00

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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.