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Finding the Fourth Proportional to 93,314.88, 139,930.14 and 26,739.72

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Solution

The fourth proportional to 93,314.88, 139,930.14 and 26,739.72 is: 40,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,314.88 : 139,930.14 = 26,739.72 : x
  2. Step 2: Convert to fraction form
    93,314.88/139,930.14 = 26,739.72/x
  3. Step 3: Cross multiply
    93,314.88x = 139,930.14 × 26,739.72
  4. Step 4: Simplify right side
    93,314.88x = 3,741,692,763.16
  5. Step 5: Solve for x
    x = 3,741,692,763.16/93,314.88
  6. Step 6: Final answer
    x = 40,097.49

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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.