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Finding the Fourth Proportional to 64,154, 88,571.40 and 41,836.88

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Solution

The fourth proportional to 64,154, 88,571.40 and 41,836.88 is: 57,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154 : 88,571.40 = 41,836.88 : x
  2. Step 2: Convert to fraction form
    64,154/88,571.40 = 41,836.88/x
  3. Step 3: Cross multiply
    64,154x = 88,571.40 × 41,836.88
  4. Step 4: Simplify right side
    64,154x = 3,705,551,033.23
  5. Step 5: Solve for x
    x = 3,705,551,033.23/64,154
  6. Step 6: Final answer
    x = 57,760.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.