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Finding the Fourth Proportional to 168,679.84, 253,011.12 and 50,352.16

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Solution

The fourth proportional to 168,679.84, 253,011.12 and 50,352.16 is: 75,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,679.84 : 253,011.12 = 50,352.16 : x
  2. Step 2: Convert to fraction form
    168,679.84/253,011.12 = 50,352.16/x
  3. Step 3: Cross multiply
    168,679.84x = 253,011.12 × 50,352.16
  4. Step 4: Simplify right side
    168,679.84x = 12,739,656,396.02
  5. Step 5: Solve for x
    x = 12,739,656,396.02/168,679.84
  6. Step 6: Final answer
    x = 75,525.66

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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.