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Finding the Fourth Proportional to 213,393.92, 294,495.41 and 117,898.56

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Solution

The fourth proportional to 213,393.92, 294,495.41 and 117,898.56 is: 162,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,393.92 : 294,495.41 = 117,898.56 : x
  2. Step 2: Convert to fraction form
    213,393.92/294,495.41 = 117,898.56/x
  3. Step 3: Cross multiply
    213,393.92x = 294,495.41 × 117,898.56
  4. Step 4: Simplify right side
    213,393.92x = 34,720,585,060.36
  5. Step 5: Solve for x
    x = 34,720,585,060.36/213,393.92
  6. Step 6: Final answer
    x = 162,706.54

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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.