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Finding the Fourth Proportional to 173,694.60, 260,541.90 and 55,377.90

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Solution

The fourth proportional to 173,694.60, 260,541.90 and 55,377.90 is: 83,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,694.60 : 260,541.90 = 55,377.90 : x
  2. Step 2: Convert to fraction form
    173,694.60/260,541.90 = 55,377.90/x
  3. Step 3: Cross multiply
    173,694.60x = 260,541.90 × 55,377.90
  4. Step 4: Simplify right side
    173,694.60x = 14,428,263,284.01
  5. Step 5: Solve for x
    x = 14,428,263,284.01/173,694.60
  6. Step 6: Final answer
    x = 83,066.85

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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.