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Finding the Fourth Proportional to 80,408.55, 110,968.84 and 46,423.18

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Solution

The fourth proportional to 80,408.55, 110,968.84 and 46,423.18 is: 64,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.55 : 110,968.84 = 46,423.18 : x
  2. Step 2: Convert to fraction form
    80,408.55/110,968.84 = 46,423.18/x
  3. Step 3: Cross multiply
    80,408.55x = 110,968.84 × 46,423.18
  4. Step 4: Simplify right side
    80,408.55x = 5,151,525,745.12
  5. Step 5: Solve for x
    x = 5,151,525,745.12/80,408.55
  6. Step 6: Final answer
    x = 64,066.89

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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.