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Finding the Fourth Proportional to 213,366.67, 294,451.94 and 117,879.52

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Solution

The fourth proportional to 213,366.67, 294,451.94 and 117,879.52 is: 162,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,366.67 : 294,451.94 = 117,879.52 : x
  2. Step 2: Convert to fraction form
    213,366.67/294,451.94 = 117,879.52/x
  3. Step 3: Cross multiply
    213,366.67x = 294,451.94 × 117,879.52
  4. Step 4: Simplify right side
    213,366.67x = 34,709,852,908.84
  5. Step 5: Solve for x
    x = 34,709,852,908.84/213,366.67
  6. Step 6: Final answer
    x = 162,677.02

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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.