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Finding the Fourth Proportional to 364,200.60, 546,281.42 and 111,481.21

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Solution

The fourth proportional to 364,200.60, 546,281.42 and 111,481.21 is: 167,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,200.60 : 546,281.42 = 111,481.21 : x
  2. Step 2: Convert to fraction form
    364,200.60/546,281.42 = 111,481.21/x
  3. Step 3: Cross multiply
    364,200.60x = 546,281.42 × 111,481.21
  4. Step 4: Simplify right side
    364,200.60x = 60,900,115,908.76
  5. Step 5: Solve for x
    x = 60,900,115,908.76/364,200.60
  6. Step 6: Final answer
    x = 167,215.86

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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.