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Finding the Fourth Proportional to 83,999.88, 115,920.12 and 46,274.04

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Solution

The fourth proportional to 83,999.88, 115,920.12 and 46,274.04 is: 63,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.88 : 115,920.12 = 46,274.04 : x
  2. Step 2: Convert to fraction form
    83,999.88/115,920.12 = 46,274.04/x
  3. Step 3: Cross multiply
    83,999.88x = 115,920.12 × 46,274.04
  4. Step 4: Simplify right side
    83,999.88x = 5,364,092,269.68
  5. Step 5: Solve for x
    x = 5,364,092,269.68/83,999.88
  6. Step 6: Final answer
    x = 63,858.33

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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.