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Finding the Fourth Proportional to 72,895.79, 100,595.75 and 41,074.94

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Solution

The fourth proportional to 72,895.79, 100,595.75 and 41,074.94 is: 56,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,895.79 : 100,595.75 = 41,074.94 : x
  2. Step 2: Convert to fraction form
    72,895.79/100,595.75 = 41,074.94/x
  3. Step 3: Cross multiply
    72,895.79x = 100,595.75 × 41,074.94
  4. Step 4: Simplify right side
    72,895.79x = 4,131,964,441.62
  5. Step 5: Solve for x
    x = 4,131,964,441.62/72,895.79
  6. Step 6: Final answer
    x = 56,683.17

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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.