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Finding the Fourth Proportional to 174,449.39, 240,745.97 and 97,981.94

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Solution

The fourth proportional to 174,449.39, 240,745.97 and 97,981.94 is: 135,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,449.39 : 240,745.97 = 97,981.94 : x
  2. Step 2: Convert to fraction form
    174,449.39/240,745.97 = 97,981.94/x
  3. Step 3: Cross multiply
    174,449.39x = 240,745.97 × 97,981.94
  4. Step 4: Simplify right side
    174,449.39x = 23,588,757,187.78
  5. Step 5: Solve for x
    x = 23,588,757,187.78/174,449.39
  6. Step 6: Final answer
    x = 135,218.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.