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Finding the Fourth Proportional to 248,164.68, 342,528.09 and 140,797.56

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Solution

The fourth proportional to 248,164.68, 342,528.09 and 140,797.56 is: 194,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,164.68 : 342,528.09 = 140,797.56 : x
  2. Step 2: Convert to fraction form
    248,164.68/342,528.09 = 140,797.56/x
  3. Step 3: Cross multiply
    248,164.68x = 342,528.09 × 140,797.56
  4. Step 4: Simplify right side
    248,164.68x = 48,227,119,303.46
  5. Step 5: Solve for x
    x = 48,227,119,303.46/248,164.68
  6. Step 6: Final answer
    x = 194,335.15

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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.