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Finding the Fourth Proportional to 92,734.56, 139,101.84 and 43,475.04

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Solution

The fourth proportional to 92,734.56, 139,101.84 and 43,475.04 is: 65,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,734.56 : 139,101.84 = 43,475.04 : x
  2. Step 2: Convert to fraction form
    92,734.56/139,101.84 = 43,475.04/x
  3. Step 3: Cross multiply
    92,734.56x = 139,101.84 × 43,475.04
  4. Step 4: Simplify right side
    92,734.56x = 6,047,458,058.07
  5. Step 5: Solve for x
    x = 6,047,458,058.07/92,734.56
  6. Step 6: Final answer
    x = 65,212.56

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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.