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Finding the Fourth Proportional to 217,354.39, 326,032.71 and 98,942.92

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Solution

The fourth proportional to 217,354.39, 326,032.71 and 98,942.92 is: 148,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,354.39 : 326,032.71 = 98,942.92 : x
  2. Step 2: Convert to fraction form
    217,354.39/326,032.71 = 98,942.92/x
  3. Step 3: Cross multiply
    217,354.39x = 326,032.71 × 98,942.92
  4. Step 4: Simplify right side
    217,354.39x = 32,258,628,342.91
  5. Step 5: Solve for x
    x = 32,258,628,342.91/217,354.39
  6. Step 6: Final answer
    x = 148,414.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.