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Finding the Fourth Proportional to 84,969.39, 117,255.42 and 46,728.94

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Solution

The fourth proportional to 84,969.39, 117,255.42 and 46,728.94 is: 64,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,969.39 : 117,255.42 = 46,728.94 : x
  2. Step 2: Convert to fraction form
    84,969.39/117,255.42 = 46,728.94/x
  3. Step 3: Cross multiply
    84,969.39x = 117,255.42 × 46,728.94
  4. Step 4: Simplify right side
    84,969.39x = 5,479,220,735.84
  5. Step 5: Solve for x
    x = 5,479,220,735.84/84,969.39
  6. Step 6: Final answer
    x = 64,484.64

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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.