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Finding the Fourth Proportional to 219,790.92, 303,311.64 and 119,188.92

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Solution

The fourth proportional to 219,790.92, 303,311.64 and 119,188.92 is: 164,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,790.92 : 303,311.64 = 119,188.92 : x
  2. Step 2: Convert to fraction form
    219,790.92/303,311.64 = 119,188.92/x
  3. Step 3: Cross multiply
    219,790.92x = 303,311.64 × 119,188.92
  4. Step 4: Simplify right side
    219,790.92x = 36,151,386,795.03
  5. Step 5: Solve for x
    x = 36,151,386,795.03/219,790.92
  6. Step 6: Final answer
    x = 164,480.80

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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.