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Finding the Fourth Proportional to 216,245.27, 298,417.28 and 119,455.79

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Solution

The fourth proportional to 216,245.27, 298,417.28 and 119,455.79 is: 164,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,245.27 : 298,417.28 = 119,455.79 : x
  2. Step 2: Convert to fraction form
    216,245.27/298,417.28 = 119,455.79/x
  3. Step 3: Cross multiply
    216,245.27x = 298,417.28 × 119,455.79
  4. Step 4: Simplify right side
    216,245.27x = 35,647,670,514.62
  5. Step 5: Solve for x
    x = 35,647,670,514.62/216,245.27
  6. Step 6: Final answer
    x = 164,848.33

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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.