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Finding the Fourth Proportional to 216,185.50, 298,338.93 and 119,395.87

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Solution

The fourth proportional to 216,185.50, 298,338.93 and 119,395.87 is: 164,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,185.50 : 298,338.93 = 119,395.87 : x
  2. Step 2: Convert to fraction form
    216,185.50/298,338.93 = 119,395.87/x
  3. Step 3: Cross multiply
    216,185.50x = 298,338.93 × 119,395.87
  4. Step 4: Simplify right side
    216,185.50x = 35,620,436,102.22
  5. Step 5: Solve for x
    x = 35,620,436,102.22/216,185.50
  6. Step 6: Final answer
    x = 164,767.92

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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.