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Finding the Fourth Proportional to 92,696.12, 139,054.92 and 33,559.64

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Solution

The fourth proportional to 92,696.12, 139,054.92 and 33,559.64 is: 50,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,696.12 : 139,054.92 = 33,559.64 : x
  2. Step 2: Convert to fraction form
    92,696.12/139,054.92 = 33,559.64/x
  3. Step 3: Cross multiply
    92,696.12x = 139,054.92 × 33,559.64
  4. Step 4: Simplify right side
    92,696.12x = 4,666,633,055.43
  5. Step 5: Solve for x
    x = 4,666,633,055.43/92,696.12
  6. Step 6: Final answer
    x = 50,343.35

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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.