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Finding the Fourth Proportional to 173,117.70, 259,676.55 and 162,620.10

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Solution

The fourth proportional to 173,117.70, 259,676.55 and 162,620.10 is: 243,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,117.70 : 259,676.55 = 162,620.10 : x
  2. Step 2: Convert to fraction form
    173,117.70/259,676.55 = 162,620.10/x
  3. Step 3: Cross multiply
    173,117.70x = 259,676.55 × 162,620.10
  4. Step 4: Simplify right side
    173,117.70x = 42,228,626,528.66
  5. Step 5: Solve for x
    x = 42,228,626,528.66/173,117.70
  6. Step 6: Final answer
    x = 243,930.15

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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.