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Finding the Fourth Proportional to 213,166.17, 294,169.71 and 117,672.98

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Solution

The fourth proportional to 213,166.17, 294,169.71 and 117,672.98 is: 162,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,166.17 : 294,169.71 = 117,672.98 : x
  2. Step 2: Convert to fraction form
    213,166.17/294,169.71 = 117,672.98/x
  3. Step 3: Cross multiply
    213,166.17x = 294,169.71 × 117,672.98
  4. Step 4: Simplify right side
    213,166.17x = 34,615,824,930.59
  5. Step 5: Solve for x
    x = 34,615,824,930.59/213,166.17
  6. Step 6: Final answer
    x = 162,388.92

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1.5x scale

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.