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Finding the Fourth Proportional to 213,670.54, 294,846.97 and 118,153.31

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Solution

The fourth proportional to 213,670.54, 294,846.97 and 118,153.31 is: 163,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,670.54 : 294,846.97 = 118,153.31 : x
  2. Step 2: Convert to fraction form
    213,670.54/294,846.97 = 118,153.31/x
  3. Step 3: Cross multiply
    213,670.54x = 294,846.97 × 118,153.31
  4. Step 4: Simplify right side
    213,670.54x = 34,837,145,448.97
  5. Step 5: Solve for x
    x = 34,837,145,448.97/213,670.54
  6. Step 6: Final answer
    x = 163,041.41

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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.