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Finding the Fourth Proportional to 219,822.30, 303,356.70 and 119,220.30

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Solution

The fourth proportional to 219,822.30, 303,356.70 and 119,220.30 is: 164,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,822.30 : 303,356.70 = 119,220.30 : x
  2. Step 2: Convert to fraction form
    219,822.30/303,356.70 = 119,220.30/x
  3. Step 3: Cross multiply
    219,822.30x = 303,356.70 × 119,220.30
  4. Step 4: Simplify right side
    219,822.30x = 36,166,276,781.01
  5. Step 5: Solve for x
    x = 36,166,276,781.01/219,822.30
  6. Step 6: Final answer
    x = 164,525.06

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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.