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Finding the Fourth Proportional to 134,496.60, 201,723.30 and 40,980.60

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Solution

The fourth proportional to 134,496.60, 201,723.30 and 40,980.60 is: 61,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,496.60 : 201,723.30 = 40,980.60 : x
  2. Step 2: Convert to fraction form
    134,496.60/201,723.30 = 40,980.60/x
  3. Step 3: Cross multiply
    134,496.60x = 201,723.30 × 40,980.60
  4. Step 4: Simplify right side
    134,496.60x = 8,266,741,867.98
  5. Step 5: Solve for x
    x = 8,266,741,867.98/134,496.60
  6. Step 6: Final answer
    x = 61,464.32

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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.