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Finding the Fourth Proportional to 164,745.78, 247,119.99 and 107,867.63

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Solution

The fourth proportional to 164,745.78, 247,119.99 and 107,867.63 is: 161,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,745.78 : 247,119.99 = 107,867.63 : x
  2. Step 2: Convert to fraction form
    164,745.78/247,119.99 = 107,867.63/x
  3. Step 3: Cross multiply
    164,745.78x = 247,119.99 × 107,867.63
  4. Step 4: Simplify right side
    164,745.78x = 26,656,246,411.32
  5. Step 5: Solve for x
    x = 26,656,246,411.32/164,745.78
  6. Step 6: Final answer
    x = 161,802.30

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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.