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Finding the Fourth Proportional to 216,284.21, 298,471.21 and 119,488.11

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Solution

The fourth proportional to 216,284.21, 298,471.21 and 119,488.11 is: 164,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,284.21 : 298,471.21 = 119,488.11 : x
  2. Step 2: Convert to fraction form
    216,284.21/298,471.21 = 119,488.11/x
  3. Step 3: Cross multiply
    216,284.21x = 298,471.21 × 119,488.11
  4. Step 4: Simplify right side
    216,284.21x = 35,663,760,772.31
  5. Step 5: Solve for x
    x = 35,663,760,772.31/216,284.21
  6. Step 6: Final answer
    x = 164,893.04

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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.