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Finding the Fourth Proportional to 270,027.88, 372,641.59 and 149,166.64

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Solution

The fourth proportional to 270,027.88, 372,641.59 and 149,166.64 is: 205,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,027.88 : 372,641.59 = 149,166.64 : x
  2. Step 2: Convert to fraction form
    270,027.88/372,641.59 = 149,166.64/x
  3. Step 3: Cross multiply
    270,027.88x = 372,641.59 × 149,166.64
  4. Step 4: Simplify right side
    270,027.88x = 55,585,692,041.35
  5. Step 5: Solve for x
    x = 55,585,692,041.35/270,027.88
  6. Step 6: Final answer
    x = 205,851.68

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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.