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Finding the Fourth Proportional to 174,868.68, 262,251.54 and 68,228.76

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Solution

The fourth proportional to 174,868.68, 262,251.54 and 68,228.76 is: 102,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,868.68 : 262,251.54 = 68,228.76 : x
  2. Step 2: Convert to fraction form
    174,868.68/262,251.54 = 68,228.76/x
  3. Step 3: Cross multiply
    174,868.68x = 262,251.54 × 68,228.76
  4. Step 4: Simplify right side
    174,868.68x = 17,893,097,382.29
  5. Step 5: Solve for x
    x = 17,893,097,382.29/174,868.68
  6. Step 6: Final answer
    x = 102,323.05

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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.