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Finding the Fourth Proportional to 248,758.85, 343,296.47 and 141,347.09

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Solution

The fourth proportional to 248,758.85, 343,296.47 and 141,347.09 is: 195,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,758.85 : 343,296.47 = 141,347.09 : x
  2. Step 2: Convert to fraction form
    248,758.85/343,296.47 = 141,347.09/x
  3. Step 3: Cross multiply
    248,758.85x = 343,296.47 × 141,347.09
  4. Step 4: Simplify right side
    248,758.85x = 48,523,955,678.66
  5. Step 5: Solve for x
    x = 48,523,955,678.66/248,758.85
  6. Step 6: Final answer
    x = 195,064.24

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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.