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Finding the Fourth Proportional to 301,687.60, 452,531.40 and 161,719.60

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Solution

The fourth proportional to 301,687.60, 452,531.40 and 161,719.60 is: 242,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,687.60 : 452,531.40 = 161,719.60 : x
  2. Step 2: Convert to fraction form
    301,687.60/452,531.40 = 161,719.60/x
  3. Step 3: Cross multiply
    301,687.60x = 452,531.40 × 161,719.60
  4. Step 4: Simplify right side
    301,687.60x = 73,183,196,995.44
  5. Step 5: Solve for x
    x = 73,183,196,995.44/301,687.60
  6. Step 6: Final answer
    x = 242,579.40

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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.