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Finding the Fourth Proportional to 213,488.46, 294,603.48 and 117,992.70

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Solution

The fourth proportional to 213,488.46, 294,603.48 and 117,992.70 is: 162,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,488.46 : 294,603.48 = 117,992.70 : x
  2. Step 2: Convert to fraction form
    213,488.46/294,603.48 = 117,992.70/x
  3. Step 3: Cross multiply
    213,488.46x = 294,603.48 × 117,992.70
  4. Step 4: Simplify right side
    213,488.46x = 34,761,060,034.60
  5. Step 5: Solve for x
    x = 34,761,060,034.60/213,488.46
  6. Step 6: Final answer
    x = 162,824.07

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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.