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Finding the Fourth Proportional to 248,436.54, 342,873.41 and 141,041.34

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Solution

The fourth proportional to 248,436.54, 342,873.41 and 141,041.34 is: 194,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,436.54 : 342,873.41 = 141,041.34 : x
  2. Step 2: Convert to fraction form
    248,436.54/342,873.41 = 141,041.34/x
  3. Step 3: Cross multiply
    248,436.54x = 342,873.41 × 141,041.34
  4. Step 4: Simplify right side
    248,436.54x = 48,359,324,491.56
  5. Step 5: Solve for x
    x = 48,359,324,491.56/248,436.54
  6. Step 6: Final answer
    x = 194,654.64

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1.5x scale

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.