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Finding the Fourth Proportional to 114,287.68, 171,268.18 and 64,262.79

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Solution

The fourth proportional to 114,287.68, 171,268.18 and 64,262.79 is: 96,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,287.68 : 171,268.18 = 64,262.79 : x
  2. Step 2: Convert to fraction form
    114,287.68/171,268.18 = 64,262.79/x
  3. Step 3: Cross multiply
    114,287.68x = 171,268.18 × 64,262.79
  4. Step 4: Simplify right side
    114,287.68x = 11,006,171,857.90
  5. Step 5: Solve for x
    x = 11,006,171,857.90/114,287.68
  6. Step 6: Final answer
    x = 96,302.34

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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.