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Finding the Fourth Proportional to 173,113.08, 258,986.52 and 131,114.52

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Solution

The fourth proportional to 173,113.08, 258,986.52 and 131,114.52 is: 196,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,113.08 : 258,986.52 = 131,114.52 : x
  2. Step 2: Convert to fraction form
    173,113.08/258,986.52 = 131,114.52/x
  3. Step 3: Cross multiply
    173,113.08x = 258,986.52 × 131,114.52
  4. Step 4: Simplify right side
    173,113.08x = 33,956,893,256.27
  5. Step 5: Solve for x
    x = 33,956,893,256.27/173,113.08
  6. Step 6: Final answer
    x = 196,154.41

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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.