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Finding the Fourth Proportional to 213,418.62, 294,520.32 and 117,924.48

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Solution

The fourth proportional to 213,418.62, 294,520.32 and 117,924.48 is: 162,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,418.62 : 294,520.32 = 117,924.48 : x
  2. Step 2: Convert to fraction form
    213,418.62/294,520.32 = 117,924.48/x
  3. Step 3: Cross multiply
    213,418.62x = 294,520.32 × 117,924.48
  4. Step 4: Simplify right side
    213,418.62x = 34,731,155,585.43
  5. Step 5: Solve for x
    x = 34,731,155,585.43/213,418.62
  6. Step 6: Final answer
    x = 162,737.23

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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.