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Finding the Fourth Proportional to 247,388.94, 341,185.77 and 190,166.90

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Solution

The fourth proportional to 247,388.94, 341,185.77 and 190,166.90 is: 262,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,388.94 : 341,185.77 = 190,166.90 : x
  2. Step 2: Convert to fraction form
    247,388.94/341,185.77 = 190,166.90/x
  3. Step 3: Cross multiply
    247,388.94x = 341,185.77 × 190,166.90
  4. Step 4: Simplify right side
    247,388.94x = 64,882,239,065.40
  5. Step 5: Solve for x
    x = 64,882,239,065.40/247,388.94
  6. Step 6: Final answer
    x = 262,268.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.