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Finding the Fourth Proportional to 202,661.56, 303,985.02 and 62,416.60

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Solution

The fourth proportional to 202,661.56, 303,985.02 and 62,416.60 is: 93,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,661.56 : 303,985.02 = 62,416.60 : x
  2. Step 2: Convert to fraction form
    202,661.56/303,985.02 = 62,416.60/x
  3. Step 3: Cross multiply
    202,661.56x = 303,985.02 × 62,416.60
  4. Step 4: Simplify right side
    202,661.56x = 18,973,711,399.33
  5. Step 5: Solve for x
    x = 18,973,711,399.33/202,661.56
  6. Step 6: Final answer
    x = 93,622.65

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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.