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Finding the Fourth Proportional to 248,784.33, 343,322.46 and 141,354.51

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Solution

The fourth proportional to 248,784.33, 343,322.46 and 141,354.51 is: 195,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,784.33 : 343,322.46 = 141,354.51 : x
  2. Step 2: Convert to fraction form
    248,784.33/343,322.46 = 141,354.51/x
  3. Step 3: Cross multiply
    248,784.33x = 343,322.46 × 141,354.51
  4. Step 4: Simplify right side
    248,784.33x = 48,530,178,105.29
  5. Step 5: Solve for x
    x = 48,530,178,105.29/248,784.33
  6. Step 6: Final answer
    x = 195,069.27

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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.