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Finding the Fourth Proportional to 202,057.93, 303,075.90 and 61,816.55

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Solution

The fourth proportional to 202,057.93, 303,075.90 and 61,816.55 is: 92,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,057.93 : 303,075.90 = 61,816.55 : x
  2. Step 2: Convert to fraction form
    202,057.93/303,075.90 = 61,816.55/x
  3. Step 3: Cross multiply
    202,057.93x = 303,075.90 × 61,816.55
  4. Step 4: Simplify right side
    202,057.93x = 18,735,106,526.15
  5. Step 5: Solve for x
    x = 18,735,106,526.15/202,057.93
  6. Step 6: Final answer
    x = 92,721.46

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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.