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Finding the Fourth Proportional to 83,999.68, 115,919.76 and 46,274.56

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Solution

The fourth proportional to 83,999.68, 115,919.76 and 46,274.56 is: 63,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.68 : 115,919.76 = 46,274.56 : x
  2. Step 2: Convert to fraction form
    83,999.68/115,919.76 = 46,274.56/x
  3. Step 3: Cross multiply
    83,999.68x = 115,919.76 × 46,274.56
  4. Step 4: Simplify right side
    83,999.68x = 5,364,135,889.31
  5. Step 5: Solve for x
    x = 5,364,135,889.31/83,999.68
  6. Step 6: Final answer
    x = 63,859.00

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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.