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Finding the Fourth Proportional to 185,867.80, 260,739.80 and 185,867.80

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Solution

The fourth proportional to 185,867.80, 260,739.80 and 185,867.80 is: 260,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,867.80 : 260,739.80 = 185,867.80 : x
  2. Step 2: Convert to fraction form
    185,867.80/260,739.80 = 185,867.80/x
  3. Step 3: Cross multiply
    185,867.80x = 260,739.80 × 185,867.80
  4. Step 4: Simplify right side
    185,867.80x = 48,463,132,998.44
  5. Step 5: Solve for x
    x = 48,463,132,998.44/185,867.80
  6. Step 6: Final answer
    x = 260,739.80

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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.