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Finding the Fourth Proportional to 216,184.50, 298,337.55 and 119,394.87

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Solution

The fourth proportional to 216,184.50, 298,337.55 and 119,394.87 is: 164,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,184.50 : 298,337.55 = 119,394.87 : x
  2. Step 2: Convert to fraction form
    216,184.50/298,337.55 = 119,394.87/x
  3. Step 3: Cross multiply
    216,184.50x = 298,337.55 × 119,394.87
  4. Step 4: Simplify right side
    216,184.50x = 35,619,972,998.37
  5. Step 5: Solve for x
    x = 35,619,972,998.37/216,184.50
  6. Step 6: Final answer
    x = 164,766.54

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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.