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Finding the Fourth Proportional to 83,279.36, 124,611.84 and 50,019.84

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Solution

The fourth proportional to 83,279.36, 124,611.84 and 50,019.84 is: 74,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,279.36 : 124,611.84 = 50,019.84 : x
  2. Step 2: Convert to fraction form
    83,279.36/124,611.84 = 50,019.84/x
  3. Step 3: Cross multiply
    83,279.36x = 124,611.84 × 50,019.84
  4. Step 4: Simplify right side
    83,279.36x = 6,233,064,298.91
  5. Step 5: Solve for x
    x = 6,233,064,298.91/83,279.36
  6. Step 6: Final answer
    x = 74,845.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.