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Finding the Fourth Proportional to 110,792.64, 166,188.96 and 51,669.66

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Solution

The fourth proportional to 110,792.64, 166,188.96 and 51,669.66 is: 77,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,792.64 : 166,188.96 = 51,669.66 : x
  2. Step 2: Convert to fraction form
    110,792.64/166,188.96 = 51,669.66/x
  3. Step 3: Cross multiply
    110,792.64x = 166,188.96 × 51,669.66
  4. Step 4: Simplify right side
    110,792.64x = 8,586,927,058.95
  5. Step 5: Solve for x
    x = 8,586,927,058.95/110,792.64
  6. Step 6: Final answer
    x = 77,504.49

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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.