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Finding the Fourth Proportional to 74,958.26, 112,468.54 and 32,816.64

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Solution

The fourth proportional to 74,958.26, 112,468.54 and 32,816.64 is: 49,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.26 : 112,468.54 = 32,816.64 : x
  2. Step 2: Convert to fraction form
    74,958.26/112,468.54 = 32,816.64/x
  3. Step 3: Cross multiply
    74,958.26x = 112,468.54 × 32,816.64
  4. Step 4: Simplify right side
    74,958.26x = 3,690,839,588.51
  5. Step 5: Solve for x
    x = 3,690,839,588.51/74,958.26
  6. Step 6: Final answer
    x = 49,238.60

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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.