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Finding the Fourth Proportional to 248,259.58, 342,604.86 and 140,845.75

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Solution

The fourth proportional to 248,259.58, 342,604.86 and 140,845.75 is: 194,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,259.58 : 342,604.86 = 140,845.75 : x
  2. Step 2: Convert to fraction form
    248,259.58/342,604.86 = 140,845.75/x
  3. Step 3: Cross multiply
    248,259.58x = 342,604.86 × 140,845.75
  4. Step 4: Simplify right side
    248,259.58x = 48,254,438,460.35
  5. Step 5: Solve for x
    x = 48,254,438,460.35/248,259.58
  6. Step 6: Final answer
    x = 194,370.90

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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.