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Finding the Fourth Proportional to 93,130.97, 139,655.75 and 26,556.26

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Solution

The fourth proportional to 93,130.97, 139,655.75 and 26,556.26 is: 39,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,130.97 : 139,655.75 = 26,556.26 : x
  2. Step 2: Convert to fraction form
    93,130.97/139,655.75 = 26,556.26/x
  3. Step 3: Cross multiply
    93,130.97x = 139,655.75 × 26,556.26
  4. Step 4: Simplify right side
    93,130.97x = 3,708,733,576.43
  5. Step 5: Solve for x
    x = 3,708,733,576.43/93,130.97
  6. Step 6: Final answer
    x = 39,822.78

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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.