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Finding the Fourth Proportional to 248,716.58, 343,273.65 and 146,736.16

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Solution

The fourth proportional to 248,716.58, 343,273.65 and 146,736.16 is: 202,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.58 : 343,273.65 = 146,736.16 : x
  2. Step 2: Convert to fraction form
    248,716.58/343,273.65 = 146,736.16/x
  3. Step 3: Cross multiply
    248,716.58x = 343,273.65 × 146,736.16
  4. Step 4: Simplify right side
    248,716.58x = 50,370,655,821.74
  5. Step 5: Solve for x
    x = 50,370,655,821.74/248,716.58
  6. Step 6: Final answer
    x = 202,522.31

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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.