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Finding the Fourth Proportional to 139,201.01, 208,733.48 and 97,101.26

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Solution

The fourth proportional to 139,201.01, 208,733.48 and 97,101.26 is: 145,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,201.01 : 208,733.48 = 97,101.26 : x
  2. Step 2: Convert to fraction form
    139,201.01/208,733.48 = 97,101.26/x
  3. Step 3: Cross multiply
    139,201.01x = 208,733.48 × 97,101.26
  4. Step 4: Simplify right side
    139,201.01x = 20,268,283,426.68
  5. Step 5: Solve for x
    x = 20,268,283,426.68/139,201.01
  6. Step 6: Final answer
    x = 145,604.43

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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.