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Finding the Fourth Proportional to 72,844.51, 100,476.43 and 44,500.99

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Solution

The fourth proportional to 72,844.51, 100,476.43 and 44,500.99 is: 61,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,844.51 : 100,476.43 = 44,500.99 : x
  2. Step 2: Convert to fraction form
    72,844.51/100,476.43 = 44,500.99/x
  3. Step 3: Cross multiply
    72,844.51x = 100,476.43 × 44,500.99
  4. Step 4: Simplify right side
    72,844.51x = 4,471,300,606.67
  5. Step 5: Solve for x
    x = 4,471,300,606.67/72,844.51
  6. Step 6: Final answer
    x = 61,381.44

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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.