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Finding the Fourth Proportional to 83,995.68, 115,912.56 and 46,269.60

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Solution

The fourth proportional to 83,995.68, 115,912.56 and 46,269.60 is: 63,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,995.68 : 115,912.56 = 46,269.60 : x
  2. Step 2: Convert to fraction form
    83,995.68/115,912.56 = 46,269.60/x
  3. Step 3: Cross multiply
    83,995.68x = 115,912.56 × 46,269.60
  4. Step 4: Simplify right side
    83,995.68x = 5,363,227,786.18
  5. Step 5: Solve for x
    x = 5,363,227,786.18/83,995.68
  6. Step 6: Final answer
    x = 63,851.23

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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.