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Finding the Fourth Proportional to 191,669.80, 267,987.80 and 191,669.80

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Solution

The fourth proportional to 191,669.80, 267,987.80 and 191,669.80 is: 267,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,669.80 : 267,987.80 = 191,669.80 : x
  2. Step 2: Convert to fraction form
    191,669.80/267,987.80 = 191,669.80/x
  3. Step 3: Cross multiply
    191,669.80x = 267,987.80 × 191,669.80
  4. Step 4: Simplify right side
    191,669.80x = 51,365,168,028.44
  5. Step 5: Solve for x
    x = 51,365,168,028.44/191,669.80
  6. Step 6: Final answer
    x = 267,987.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.