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Finding the Fourth Proportional to 303,852.06, 455,778.29 and 79,211.93

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Solution

The fourth proportional to 303,852.06, 455,778.29 and 79,211.93 is: 118,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,852.06 : 455,778.29 = 79,211.93 : x
  2. Step 2: Convert to fraction form
    303,852.06/455,778.29 = 79,211.93/x
  3. Step 3: Cross multiply
    303,852.06x = 455,778.29 × 79,211.93
  4. Step 4: Simplify right side
    303,852.06x = 36,103,075,922.14
  5. Step 5: Solve for x
    x = 36,103,075,922.14/303,852.06
  6. Step 6: Final answer
    x = 118,817.94

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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.