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Finding the Fourth Proportional to 179,283.88, 268,801.32 and 79,389.64

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Solution

The fourth proportional to 179,283.88, 268,801.32 and 79,389.64 is: 119,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,283.88 : 268,801.32 = 79,389.64 : x
  2. Step 2: Convert to fraction form
    179,283.88/268,801.32 = 79,389.64/x
  3. Step 3: Cross multiply
    179,283.88x = 268,801.32 × 79,389.64
  4. Step 4: Simplify right side
    179,283.88x = 21,340,040,026.32
  5. Step 5: Solve for x
    x = 21,340,040,026.32/179,283.88
  6. Step 6: Final answer
    x = 119,029.33

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1.5x scale

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.