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Finding the Fourth Proportional to 213,295.28, 294,345.68 and 117,799.92

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Solution

The fourth proportional to 213,295.28, 294,345.68 and 117,799.92 is: 162,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,295.28 : 294,345.68 = 117,799.92 : x
  2. Step 2: Convert to fraction form
    213,295.28/294,345.68 = 117,799.92/x
  3. Step 3: Cross multiply
    213,295.28x = 294,345.68 × 117,799.92
  4. Step 4: Simplify right side
    213,295.28x = 34,673,897,556.35
  5. Step 5: Solve for x
    x = 34,673,897,556.35/213,295.28
  6. Step 6: Final answer
    x = 162,562.89

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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.