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Finding the Fourth Proportional to 202,053.93, 303,069.90 and 61,812.55

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Solution

The fourth proportional to 202,053.93, 303,069.90 and 61,812.55 is: 92,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.93 : 303,069.90 = 61,812.55 : x
  2. Step 2: Convert to fraction form
    202,053.93/303,069.90 = 61,812.55/x
  3. Step 3: Cross multiply
    202,053.93x = 303,069.90 × 61,812.55
  4. Step 4: Simplify right side
    202,053.93x = 18,733,523,347.25
  5. Step 5: Solve for x
    x = 18,733,523,347.25/202,053.93
  6. Step 6: Final answer
    x = 92,715.46

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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.