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Finding the Fourth Proportional to 173,803.68, 260,726.88 and 61,460.64

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Solution

The fourth proportional to 173,803.68, 260,726.88 and 61,460.64 is: 92,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,803.68 : 260,726.88 = 61,460.64 : x
  2. Step 2: Convert to fraction form
    173,803.68/260,726.88 = 61,460.64/x
  3. Step 3: Cross multiply
    173,803.68x = 260,726.88 × 61,460.64
  4. Step 4: Simplify right side
    173,803.68x = 16,024,440,910.00
  5. Step 5: Solve for x
    x = 16,024,440,910.00/173,803.68
  6. Step 6: Final answer
    x = 92,198.51

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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.