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Finding the Fourth Proportional to 175,232.54, 262,870.66 and 68,602.72

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Solution

The fourth proportional to 175,232.54, 262,870.66 and 68,602.72 is: 102,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,232.54 : 262,870.66 = 68,602.72 : x
  2. Step 2: Convert to fraction form
    175,232.54/262,870.66 = 68,602.72/x
  3. Step 3: Cross multiply
    175,232.54x = 262,870.66 × 68,602.72
  4. Step 4: Simplify right side
    175,232.54x = 18,033,640,969.84
  5. Step 5: Solve for x
    x = 18,033,640,969.84/175,232.54
  6. Step 6: Final answer
    x = 102,912.63

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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.