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Finding the Fourth Proportional to 213,551.09, 294,706.67 and 118,063.94

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Solution

The fourth proportional to 213,551.09, 294,706.67 and 118,063.94 is: 162,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,551.09 : 294,706.67 = 118,063.94 : x
  2. Step 2: Convert to fraction form
    213,551.09/294,706.67 = 118,063.94/x
  3. Step 3: Cross multiply
    213,551.09x = 294,706.67 × 118,063.94
  4. Step 4: Simplify right side
    213,551.09x = 34,794,230,033.60
  5. Step 5: Solve for x
    x = 34,794,230,033.60/213,551.09
  6. Step 6: Final answer
    x = 162,931.64

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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.