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Finding the Fourth Proportional to 215,993.18, 298,068.00 and 119,197.77

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Solution

The fourth proportional to 215,993.18, 298,068.00 and 119,197.77 is: 164,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,993.18 : 298,068.00 = 119,197.77 : x
  2. Step 2: Convert to fraction form
    215,993.18/298,068.00 = 119,197.77/x
  3. Step 3: Cross multiply
    215,993.18x = 298,068.00 × 119,197.77
  4. Step 4: Simplify right side
    215,993.18x = 35,529,040,461.37
  5. Step 5: Solve for x
    x = 35,529,040,461.37/215,993.18
  6. Step 6: Final answer
    x = 164,491.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.