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Finding the Fourth Proportional to 192,924.18, 289,428.53 and 64,835.91

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Solution

The fourth proportional to 192,924.18, 289,428.53 and 64,835.91 is: 97,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,924.18 : 289,428.53 = 64,835.91 : x
  2. Step 2: Convert to fraction form
    192,924.18/289,428.53 = 64,835.91/x
  3. Step 3: Cross multiply
    192,924.18x = 289,428.53 × 64,835.91
  4. Step 4: Simplify right side
    192,924.18x = 18,765,361,798.33
  5. Step 5: Solve for x
    x = 18,765,361,798.33/192,924.18
  6. Step 6: Final answer
    x = 97,268.07

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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.