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Finding the Fourth Proportional to 325,612.48, 488,025 and 167,754.80

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Solution

The fourth proportional to 325,612.48, 488,025 and 167,754.80 is: 251,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,612.48 : 488,025 = 167,754.80 : x
  2. Step 2: Convert to fraction form
    325,612.48/488,025 = 167,754.80/x
  3. Step 3: Cross multiply
    325,612.48x = 488,025 × 167,754.80
  4. Step 4: Simplify right side
    325,612.48x = 81,868,536,270
  5. Step 5: Solve for x
    x = 81,868,536,270/325,612.48
  6. Step 6: Final answer
    x = 251,429.36

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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.