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Finding the Fourth Proportional to 269,955.86, 372,528.99 and 149,094.54

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Solution

The fourth proportional to 269,955.86, 372,528.99 and 149,094.54 is: 205,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,955.86 : 372,528.99 = 149,094.54 : x
  2. Step 2: Convert to fraction form
    269,955.86/372,528.99 = 149,094.54/x
  3. Step 3: Cross multiply
    269,955.86x = 372,528.99 × 149,094.54
  4. Step 4: Simplify right side
    269,955.86x = 55,542,038,400.71
  5. Step 5: Solve for x
    x = 55,542,038,400.71/269,955.86
  6. Step 6: Final answer
    x = 205,744.89

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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.