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Finding the Fourth Proportional to 173,860.74, 239,843.16 and 113,403.96

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Solution

The fourth proportional to 173,860.74, 239,843.16 and 113,403.96 is: 156,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.74 : 239,843.16 = 113,403.96 : x
  2. Step 2: Convert to fraction form
    173,860.74/239,843.16 = 113,403.96/x
  3. Step 3: Cross multiply
    173,860.74x = 239,843.16 × 113,403.96
  4. Step 4: Simplify right side
    173,860.74x = 27,199,164,122.91
  5. Step 5: Solve for x
    x = 27,199,164,122.91/173,860.74
  6. Step 6: Final answer
    x = 156,442.24

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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.