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Finding the Fourth Proportional to 248,360.94, 342,728.57 and 140,924.57

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Solution

The fourth proportional to 248,360.94, 342,728.57 and 140,924.57 is: 194,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,360.94 : 342,728.57 = 140,924.57 : x
  2. Step 2: Convert to fraction form
    248,360.94/342,728.57 = 140,924.57/x
  3. Step 3: Cross multiply
    248,360.94x = 342,728.57 × 140,924.57
  4. Step 4: Simplify right side
    248,360.94x = 48,298,874,992.63
  5. Step 5: Solve for x
    x = 48,298,874,992.63/248,360.94
  6. Step 6: Final answer
    x = 194,470.50

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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.