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Finding the Fourth Proportional to 216,825.44, 325,274.64 and 74,665.04

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Solution

The fourth proportional to 216,825.44, 325,274.64 and 74,665.04 is: 112,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,825.44 : 325,274.64 = 74,665.04 : x
  2. Step 2: Convert to fraction form
    216,825.44/325,274.64 = 74,665.04/x
  3. Step 3: Cross multiply
    216,825.44x = 325,274.64 × 74,665.04
  4. Step 4: Simplify right side
    216,825.44x = 24,286,644,006.59
  5. Step 5: Solve for x
    x = 24,286,644,006.59/216,825.44
  6. Step 6: Final answer
    x = 112,010.12

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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.