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Finding the Fourth Proportional to 272,272.60, 407,631.30 and 167,296.60

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Solution

The fourth proportional to 272,272.60, 407,631.30 and 167,296.60 is: 250,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,272.60 : 407,631.30 = 167,296.60 : x
  2. Step 2: Convert to fraction form
    272,272.60/407,631.30 = 167,296.60/x
  3. Step 3: Cross multiply
    272,272.60x = 407,631.30 × 167,296.60
  4. Step 4: Simplify right side
    272,272.60x = 68,195,330,543.58
  5. Step 5: Solve for x
    x = 68,195,330,543.58/272,272.60
  6. Step 6: Final answer
    x = 250,467.11

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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.