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Finding the Fourth Proportional to 117,362.24, 161,957.04 and 67,058

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Solution

The fourth proportional to 117,362.24, 161,957.04 and 67,058 is: 92,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,362.24 : 161,957.04 = 67,058 : x
  2. Step 2: Convert to fraction form
    117,362.24/161,957.04 = 67,058/x
  3. Step 3: Cross multiply
    117,362.24x = 161,957.04 × 67,058
  4. Step 4: Simplify right side
    117,362.24x = 10,860,515,188.32
  5. Step 5: Solve for x
    x = 10,860,515,188.32/117,362.24
  6. Step 6: Final answer
    x = 92,538.41

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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.