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Finding the Fourth Proportional to 159,368.68, 239,090.46 and 89,296.36

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Solution

The fourth proportional to 159,368.68, 239,090.46 and 89,296.36 is: 133,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,368.68 : 239,090.46 = 89,296.36 : x
  2. Step 2: Convert to fraction form
    159,368.68/239,090.46 = 89,296.36/x
  3. Step 3: Cross multiply
    159,368.68x = 239,090.46 × 89,296.36
  4. Step 4: Simplify right side
    159,368.68x = 21,349,907,788.73
  5. Step 5: Solve for x
    x = 21,349,907,788.73/159,368.68
  6. Step 6: Final answer
    x = 133,965.52

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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.