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Finding the Fourth Proportional to 248,164.88, 342,528.36 and 140,797.76

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Solution

The fourth proportional to 248,164.88, 342,528.36 and 140,797.76 is: 194,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,164.88 : 342,528.36 = 140,797.76 : x
  2. Step 2: Convert to fraction form
    248,164.88/342,528.36 = 140,797.76/x
  3. Step 3: Cross multiply
    248,164.88x = 342,528.36 × 140,797.76
  4. Step 4: Simplify right side
    248,164.88x = 48,227,225,824.47
  5. Step 5: Solve for x
    x = 48,227,225,824.47/248,164.88
  6. Step 6: Final answer
    x = 194,335.42

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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.