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Finding the Fourth Proportional to 174,449.40, 240,745.96 and 97,981.94

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Solution

The fourth proportional to 174,449.40, 240,745.96 and 97,981.94 is: 135,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,449.40 : 240,745.96 = 97,981.94 : x
  2. Step 2: Convert to fraction form
    174,449.40/240,745.96 = 97,981.94/x
  3. Step 3: Cross multiply
    174,449.40x = 240,745.96 × 97,981.94
  4. Step 4: Simplify right side
    174,449.40x = 23,588,756,207.96
  5. Step 5: Solve for x
    x = 23,588,756,207.96/174,449.40
  6. Step 6: Final answer
    x = 135,218.33

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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.