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Finding the Fourth Proportional to 93,100.54, 139,629.77 and 26,539.24

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Solution

The fourth proportional to 93,100.54, 139,629.77 and 26,539.24 is: 39,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,100.54 : 139,629.77 = 26,539.24 : x
  2. Step 2: Convert to fraction form
    93,100.54/139,629.77 = 26,539.24/x
  3. Step 3: Cross multiply
    93,100.54x = 139,629.77 × 26,539.24
  4. Step 4: Simplify right side
    93,100.54x = 3,705,667,977.17
  5. Step 5: Solve for x
    x = 3,705,667,977.17/93,100.54
  6. Step 6: Final answer
    x = 39,802.86

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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.