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Finding the Fourth Proportional to 356,405.60, 533,863.20 and 167,027.60

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Solution

The fourth proportional to 356,405.60, 533,863.20 and 167,027.60 is: 250,192.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,405.60 : 533,863.20 = 167,027.60 : x
  2. Step 2: Convert to fraction form
    356,405.60/533,863.20 = 167,027.60/x
  3. Step 3: Cross multiply
    356,405.60x = 533,863.20 × 167,027.60
  4. Step 4: Simplify right side
    356,405.60x = 89,169,889,024.32
  5. Step 5: Solve for x
    x = 89,169,889,024.32/356,405.60
  6. Step 6: Final answer
    x = 250,192.17

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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.