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Finding the Fourth Proportional to 219,682.53, 303,162.35 and 119,080.53

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Solution

The fourth proportional to 219,682.53, 303,162.35 and 119,080.53 is: 164,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,682.53 : 303,162.35 = 119,080.53 : x
  2. Step 2: Convert to fraction form
    219,682.53/303,162.35 = 119,080.53/x
  3. Step 3: Cross multiply
    219,682.53x = 303,162.35 × 119,080.53
  4. Step 4: Simplify right side
    219,682.53x = 36,100,732,718.64
  5. Step 5: Solve for x
    x = 36,100,732,718.64/219,682.53
  6. Step 6: Final answer
    x = 164,331.38

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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.