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Finding the Fourth Proportional to 173,873.33, 260,685.45 and 67,165.95

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Solution

The fourth proportional to 173,873.33, 260,685.45 and 67,165.95 is: 100,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873.33 : 260,685.45 = 67,165.95 : x
  2. Step 2: Convert to fraction form
    173,873.33/260,685.45 = 67,165.95/x
  3. Step 3: Cross multiply
    173,873.33x = 260,685.45 × 67,165.95
  4. Step 4: Simplify right side
    173,873.33x = 17,509,185,900.43
  5. Step 5: Solve for x
    x = 17,509,185,900.43/173,873.33
  6. Step 6: Final answer
    x = 100,700.82

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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.