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Finding the Fourth Proportional to 267,970.08, 401,682.72 and 118,291.68

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Solution

The fourth proportional to 267,970.08, 401,682.72 and 118,291.68 is: 177,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,970.08 : 401,682.72 = 118,291.68 : x
  2. Step 2: Convert to fraction form
    267,970.08/401,682.72 = 118,291.68/x
  3. Step 3: Cross multiply
    267,970.08x = 401,682.72 × 118,291.68
  4. Step 4: Simplify right side
    267,970.08x = 47,515,723,775.77
  5. Step 5: Solve for x
    x = 47,515,723,775.77/267,970.08
  6. Step 6: Final answer
    x = 177,317.27

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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.