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Finding the Fourth Proportional to 85,847.87, 118,494.75 and 51,850.95

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Solution

The fourth proportional to 85,847.87, 118,494.75 and 51,850.95 is: 71,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847.87 : 118,494.75 = 51,850.95 : x
  2. Step 2: Convert to fraction form
    85,847.87/118,494.75 = 51,850.95/x
  3. Step 3: Cross multiply
    85,847.87x = 118,494.75 × 51,850.95
  4. Step 4: Simplify right side
    85,847.87x = 6,144,065,357.51
  5. Step 5: Solve for x
    x = 6,144,065,357.51/85,847.87
  6. Step 6: Final answer
    x = 71,569.23

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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.