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Finding the Fourth Proportional to 103,292.68, 154,887.86 and 36,722.84

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Solution

The fourth proportional to 103,292.68, 154,887.86 and 36,722.84 is: 55,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,292.68 : 154,887.86 = 36,722.84 : x
  2. Step 2: Convert to fraction form
    103,292.68/154,887.86 = 36,722.84/x
  3. Step 3: Cross multiply
    103,292.68x = 154,887.86 × 36,722.84
  4. Step 4: Simplify right side
    103,292.68x = 5,687,922,100.72
  5. Step 5: Solve for x
    x = 5,687,922,100.72/103,292.68
  6. Step 6: Final answer
    x = 55,066.07

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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.