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Finding the Fourth Proportional to 219,592.48, 303,035.09 and 118,990.48

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Solution

The fourth proportional to 219,592.48, 303,035.09 and 118,990.48 is: 164,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,592.48 : 303,035.09 = 118,990.48 : x
  2. Step 2: Convert to fraction form
    219,592.48/303,035.09 = 118,990.48/x
  3. Step 3: Cross multiply
    219,592.48x = 303,035.09 × 118,990.48
  4. Step 4: Simplify right side
    219,592.48x = 36,058,290,815.94
  5. Step 5: Solve for x
    x = 36,058,290,815.94/219,592.48
  6. Step 6: Final answer
    x = 164,205.49

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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.