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Finding the Fourth Proportional to 173,540.58, 260,331.72 and 61,197.63

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Solution

The fourth proportional to 173,540.58, 260,331.72 and 61,197.63 is: 91,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,540.58 : 260,331.72 = 61,197.63 : x
  2. Step 2: Convert to fraction form
    173,540.58/260,331.72 = 61,197.63/x
  3. Step 3: Cross multiply
    173,540.58x = 260,331.72 × 61,197.63
  4. Step 4: Simplify right side
    173,540.58x = 15,931,684,277.82
  5. Step 5: Solve for x
    x = 15,931,684,277.82/173,540.58
  6. Step 6: Final answer
    x = 91,803.80

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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.