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Finding the Fourth Proportional to 101,968.62, 152,926.20 and 45,777.30

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Solution

The fourth proportional to 101,968.62, 152,926.20 and 45,777.30 is: 68,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968.62 : 152,926.20 = 45,777.30 : x
  2. Step 2: Convert to fraction form
    101,968.62/152,926.20 = 45,777.30/x
  3. Step 3: Cross multiply
    101,968.62x = 152,926.20 × 45,777.30
  4. Step 4: Simplify right side
    101,968.62x = 7,000,548,535.26
  5. Step 5: Solve for x
    x = 7,000,548,535.26/101,968.62
  6. Step 6: Final answer
    x = 68,653.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.