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Finding the Fourth Proportional to 174,559.78, 240,874.18 and 117,187.48

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Solution

The fourth proportional to 174,559.78, 240,874.18 and 117,187.48 is: 161,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,559.78 : 240,874.18 = 117,187.48 : x
  2. Step 2: Convert to fraction form
    174,559.78/240,874.18 = 117,187.48/x
  3. Step 3: Cross multiply
    174,559.78x = 240,874.18 × 117,187.48
  4. Step 4: Simplify right side
    174,559.78x = 28,227,438,151.27
  5. Step 5: Solve for x
    x = 28,227,438,151.27/174,559.78
  6. Step 6: Final answer
    x = 161,706.43

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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.