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Finding the Fourth Proportional to 179,599, 269,399.85 and 79,732.35

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Solution

The fourth proportional to 179,599, 269,399.85 and 79,732.35 is: 119,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,599 : 269,399.85 = 79,732.35 : x
  2. Step 2: Convert to fraction form
    179,599/269,399.85 = 79,732.35/x
  3. Step 3: Cross multiply
    179,599x = 269,399.85 × 79,732.35
  4. Step 4: Simplify right side
    179,599x = 21,479,883,130.15
  5. Step 5: Solve for x
    x = 21,479,883,130.15/179,599
  6. Step 6: Final answer
    x = 119,599.12

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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.