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Finding the Fourth Proportional to 219,343.94, 302,694.74 and 118,741.94

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Solution

The fourth proportional to 219,343.94, 302,694.74 and 118,741.94 is: 163,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343.94 : 302,694.74 = 118,741.94 : x
  2. Step 2: Convert to fraction form
    219,343.94/302,694.74 = 118,741.94/x
  3. Step 3: Cross multiply
    219,343.94x = 302,694.74 × 118,741.94
  4. Step 4: Simplify right side
    219,343.94x = 35,942,560,655.40
  5. Step 5: Solve for x
    x = 35,942,560,655.40/219,343.94
  6. Step 6: Final answer
    x = 163,863.93

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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.