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Finding the Fourth Proportional to 197,491.64, 296,268.17 and 64,340.87

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Solution

The fourth proportional to 197,491.64, 296,268.17 and 64,340.87 is: 96,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,491.64 : 296,268.17 = 64,340.87 : x
  2. Step 2: Convert to fraction form
    197,491.64/296,268.17 = 64,340.87/x
  3. Step 3: Cross multiply
    197,491.64x = 296,268.17 × 64,340.87
  4. Step 4: Simplify right side
    197,491.64x = 19,062,150,008.06
  5. Step 5: Solve for x
    x = 19,062,150,008.06/197,491.64
  6. Step 6: Final answer
    x = 96,521.30

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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.