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Finding the Fourth Proportional to 123,935.94, 185,903.64 and 35,190.32

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Solution

The fourth proportional to 123,935.94, 185,903.64 and 35,190.32 is: 52,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.94 : 185,903.64 = 35,190.32 : x
  2. Step 2: Convert to fraction form
    123,935.94/185,903.64 = 35,190.32/x
  3. Step 3: Cross multiply
    123,935.94x = 185,903.64 × 35,190.32
  4. Step 4: Simplify right side
    123,935.94x = 6,542,007,651.25
  5. Step 5: Solve for x
    x = 6,542,007,651.25/123,935.94
  6. Step 6: Final answer
    x = 52,785.40

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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.