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Finding the Fourth Proportional to 217,703.58, 326,576.00 and 84,594.11

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Solution

The fourth proportional to 217,703.58, 326,576.00 and 84,594.11 is: 126,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,703.58 : 326,576.00 = 84,594.11 : x
  2. Step 2: Convert to fraction form
    217,703.58/326,576.00 = 84,594.11/x
  3. Step 3: Cross multiply
    217,703.58x = 326,576.00 × 84,594.11
  4. Step 4: Simplify right side
    217,703.58x = 27,626,404,011.51
  5. Step 5: Solve for x
    x = 27,626,404,011.51/217,703.58
  6. Step 6: Final answer
    x = 126,899.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.