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Finding the Fourth Proportional to 172,935.64, 259,325.70 and 167,492.44

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Solution

The fourth proportional to 172,935.64, 259,325.70 and 167,492.44 is: 251,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.64 : 259,325.70 = 167,492.44 : x
  2. Step 2: Convert to fraction form
    172,935.64/259,325.70 = 167,492.44/x
  3. Step 3: Cross multiply
    172,935.64x = 259,325.70 × 167,492.44
  4. Step 4: Simplify right side
    172,935.64x = 43,435,094,247.71
  5. Step 5: Solve for x
    x = 43,435,094,247.71/172,935.64
  6. Step 6: Final answer
    x = 251,163.35

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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.