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Finding the Fourth Proportional to 270,063.66, 372,695.34 and 149,212.74

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Solution

The fourth proportional to 270,063.66, 372,695.34 and 149,212.74 is: 205,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,063.66 : 372,695.34 = 149,212.74 : x
  2. Step 2: Convert to fraction form
    270,063.66/372,695.34 = 149,212.74/x
  3. Step 3: Cross multiply
    270,063.66x = 372,695.34 × 149,212.74
  4. Step 4: Simplify right side
    270,063.66x = 55,610,892,866.63
  5. Step 5: Solve for x
    x = 55,610,892,866.63/270,063.66
  6. Step 6: Final answer
    x = 205,917.72

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