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Finding the Fourth Proportional to 248,360.88, 342,728.50 and 140,924.51

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Solution

The fourth proportional to 248,360.88, 342,728.50 and 140,924.51 is: 194,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,360.88 : 342,728.50 = 140,924.51 : x
  2. Step 2: Convert to fraction form
    248,360.88/342,728.50 = 140,924.51/x
  3. Step 3: Cross multiply
    248,360.88x = 342,728.50 × 140,924.51
  4. Step 4: Simplify right side
    248,360.88x = 48,298,843,507.27
  5. Step 5: Solve for x
    x = 48,298,843,507.27/248,360.88
  6. Step 6: Final answer
    x = 194,470.42

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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.