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Finding the Fourth Proportional to 202,313.64, 303,485.01 and 77,654.64

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Solution

The fourth proportional to 202,313.64, 303,485.01 and 77,654.64 is: 116,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,313.64 : 303,485.01 = 77,654.64 : x
  2. Step 2: Convert to fraction form
    202,313.64/303,485.01 = 77,654.64/x
  3. Step 3: Cross multiply
    202,313.64x = 303,485.01 × 77,654.64
  4. Step 4: Simplify right side
    202,313.64x = 23,567,019,196.95
  5. Step 5: Solve for x
    x = 23,567,019,196.95/202,313.64
  6. Step 6: Final answer
    x = 116,487.54

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1.5x scale

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.