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Finding the Fourth Proportional to 85,682.89, 118,243.85 and 46,924.12

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Solution

The fourth proportional to 85,682.89, 118,243.85 and 46,924.12 is: 64,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.89 : 118,243.85 = 46,924.12 : x
  2. Step 2: Convert to fraction form
    85,682.89/118,243.85 = 46,924.12/x
  3. Step 3: Cross multiply
    85,682.89x = 118,243.85 × 46,924.12
  4. Step 4: Simplify right side
    85,682.89x = 5,548,488,606.66
  5. Step 5: Solve for x
    x = 5,548,488,606.66/85,682.89
  6. Step 6: Final answer
    x = 64,756.09

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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.