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Finding the Fourth Proportional to 173,145.25, 259,727.73 and 48,495.97

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Solution

The fourth proportional to 173,145.25, 259,727.73 and 48,495.97 is: 72,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,145.25 : 259,727.73 = 48,495.97 : x
  2. Step 2: Convert to fraction form
    173,145.25/259,727.73 = 48,495.97/x
  3. Step 3: Cross multiply
    173,145.25x = 259,727.73 × 48,495.97
  4. Step 4: Simplify right side
    173,145.25x = 12,595,748,202.25
  5. Step 5: Solve for x
    x = 12,595,748,202.25/173,145.25
  6. Step 6: Final answer
    x = 72,746.72

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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.