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Finding the Fourth Proportional to 149,967.60, 225,037.80 and 56,540.40

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Solution

The fourth proportional to 149,967.60, 225,037.80 and 56,540.40 is: 84,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,967.60 : 225,037.80 = 56,540.40 : x
  2. Step 2: Convert to fraction form
    149,967.60/225,037.80 = 56,540.40/x
  3. Step 3: Cross multiply
    149,967.60x = 225,037.80 × 56,540.40
  4. Step 4: Simplify right side
    149,967.60x = 12,723,727,227.12
  5. Step 5: Solve for x
    x = 12,723,727,227.12/149,967.60
  6. Step 6: Final answer
    x = 84,843.17

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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.