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Finding the Fourth Proportional to 88,444.64, 132,489.28 and 43,936.80

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Solution

The fourth proportional to 88,444.64, 132,489.28 and 43,936.80 is: 65,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,444.64 : 132,489.28 = 43,936.80 : x
  2. Step 2: Convert to fraction form
    88,444.64/132,489.28 = 43,936.80/x
  3. Step 3: Cross multiply
    88,444.64x = 132,489.28 × 43,936.80
  4. Step 4: Simplify right side
    88,444.64x = 5,821,154,997.50
  5. Step 5: Solve for x
    x = 5,821,154,997.50/88,444.64
  6. Step 6: Final answer
    x = 65,816.93

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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.