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Finding the Fourth Proportional to 199,580.63, 275,467.53 and 131,609.88

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Solution

The fourth proportional to 199,580.63, 275,467.53 and 131,609.88 is: 181,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,580.63 : 275,467.53 = 131,609.88 : x
  2. Step 2: Convert to fraction form
    199,580.63/275,467.53 = 131,609.88/x
  3. Step 3: Cross multiply
    199,580.63x = 275,467.53 × 131,609.88
  4. Step 4: Simplify right side
    199,580.63x = 36,254,249,060.73
  5. Step 5: Solve for x
    x = 36,254,249,060.73/199,580.63
  6. Step 6: Final answer
    x = 181,652.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.