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Finding the Fourth Proportional to 213,397.17, 294,494.04 and 117,910.02

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Solution

The fourth proportional to 213,397.17, 294,494.04 and 117,910.02 is: 162,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,397.17 : 294,494.04 = 117,910.02 : x
  2. Step 2: Convert to fraction form
    213,397.17/294,494.04 = 117,910.02/x
  3. Step 3: Cross multiply
    213,397.17x = 294,494.04 × 117,910.02
  4. Step 4: Simplify right side
    213,397.17x = 34,723,797,556.73
  5. Step 5: Solve for x
    x = 34,723,797,556.73/213,397.17
  6. Step 6: Final answer
    x = 162,719.11

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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.