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Finding the Fourth Proportional to 202,645.40, 303,968.34 and 52,885.58

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Solution

The fourth proportional to 202,645.40, 303,968.34 and 52,885.58 is: 79,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,645.40 : 303,968.34 = 52,885.58 : x
  2. Step 2: Convert to fraction form
    202,645.40/303,968.34 = 52,885.58/x
  3. Step 3: Cross multiply
    202,645.40x = 303,968.34 × 52,885.58
  4. Step 4: Simplify right side
    202,645.40x = 16,075,541,962.54
  5. Step 5: Solve for x
    x = 16,075,541,962.54/202,645.40
  6. Step 6: Final answer
    x = 79,328.43

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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.