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Finding the Fourth Proportional to 219,601.50, 303,050.46 and 118,999.50

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Solution

The fourth proportional to 219,601.50, 303,050.46 and 118,999.50 is: 164,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,601.50 : 303,050.46 = 118,999.50 : x
  2. Step 2: Convert to fraction form
    219,601.50/303,050.46 = 118,999.50/x
  3. Step 3: Cross multiply
    219,601.50x = 303,050.46 × 118,999.50
  4. Step 4: Simplify right side
    219,601.50x = 36,062,853,214.77
  5. Step 5: Solve for x
    x = 36,062,853,214.77/219,601.50
  6. Step 6: Final answer
    x = 164,219.52

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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.