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Finding the Fourth Proportional to 270,111, 372,753.18 and 150,879

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Solution

The fourth proportional to 270,111, 372,753.18 and 150,879 is: 208,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,111 : 372,753.18 = 150,879 : x
  2. Step 2: Convert to fraction form
    270,111/372,753.18 = 150,879/x
  3. Step 3: Cross multiply
    270,111x = 372,753.18 × 150,879
  4. Step 4: Simplify right side
    270,111x = 56,240,627,045.22
  5. Step 5: Solve for x
    x = 56,240,627,045.22/270,111
  6. Step 6: Final answer
    x = 208,213.02

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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.