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Finding the Fourth Proportional to 220,051.80, 303,670.35 and 119,449.80

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Solution

The fourth proportional to 220,051.80, 303,670.35 and 119,449.80 is: 164,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051.80 : 303,670.35 = 119,449.80 : x
  2. Step 2: Convert to fraction form
    220,051.80/303,670.35 = 119,449.80/x
  3. Step 3: Cross multiply
    220,051.80x = 303,670.35 × 119,449.80
  4. Step 4: Simplify right side
    220,051.80x = 36,273,362,573.43
  5. Step 5: Solve for x
    x = 36,273,362,573.43/220,051.80
  6. Step 6: Final answer
    x = 164,840.11

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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.