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Finding the Fourth Proportional to 270,091.60, 372,733.93 and 149,240.71

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Solution

The fourth proportional to 270,091.60, 372,733.93 and 149,240.71 is: 205,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,091.60 : 372,733.93 = 149,240.71 : x
  2. Step 2: Convert to fraction form
    270,091.60/372,733.93 = 149,240.71/x
  3. Step 3: Cross multiply
    270,091.60x = 372,733.93 × 149,240.71
  4. Step 4: Simplify right side
    270,091.60x = 55,627,076,354.29
  5. Step 5: Solve for x
    x = 55,627,076,354.29/270,091.60
  6. Step 6: Final answer
    x = 205,956.34

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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.