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Finding the Fourth Proportional to 173,162.60, 259,743.90 and 155,447.90

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Solution

The fourth proportional to 173,162.60, 259,743.90 and 155,447.90 is: 233,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,162.60 : 259,743.90 = 155,447.90 : x
  2. Step 2: Convert to fraction form
    173,162.60/259,743.90 = 155,447.90/x
  3. Step 3: Cross multiply
    173,162.60x = 259,743.90 × 155,447.90
  4. Step 4: Simplify right side
    173,162.60x = 40,376,643,792.81
  5. Step 5: Solve for x
    x = 40,376,643,792.81/173,162.60
  6. Step 6: Final answer
    x = 233,171.85

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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.