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Finding the Fourth Proportional to 270,788.01, 373,699.14 and 149,929.30

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Solution

The fourth proportional to 270,788.01, 373,699.14 and 149,929.30 is: 206,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,788.01 : 373,699.14 = 149,929.30 : x
  2. Step 2: Convert to fraction form
    270,788.01/373,699.14 = 149,929.30/x
  3. Step 3: Cross multiply
    270,788.01x = 373,699.14 × 149,929.30
  4. Step 4: Simplify right side
    270,788.01x = 56,028,450,470.80
  5. Step 5: Solve for x
    x = 56,028,450,470.80/270,788.01
  6. Step 6: Final answer
    x = 206,908.90

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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.