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Finding the Fourth Proportional to 247,207.63, 370,822.22 and 120,954.17

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Solution

The fourth proportional to 247,207.63, 370,822.22 and 120,954.17 is: 181,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,207.63 : 370,822.22 = 120,954.17 : x
  2. Step 2: Convert to fraction form
    247,207.63/370,822.22 = 120,954.17/x
  3. Step 3: Cross multiply
    247,207.63x = 370,822.22 × 120,954.17
  4. Step 4: Simplify right side
    247,207.63x = 44,852,493,837.66
  5. Step 5: Solve for x
    x = 44,852,493,837.66/247,207.63
  6. Step 6: Final answer
    x = 181,436.53

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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.