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Finding the Fourth Proportional to 73,548.60, 110,063.70 and 51,257.40

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Solution

The fourth proportional to 73,548.60, 110,063.70 and 51,257.40 is: 76,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,548.60 : 110,063.70 = 51,257.40 : x
  2. Step 2: Convert to fraction form
    73,548.60/110,063.70 = 51,257.40/x
  3. Step 3: Cross multiply
    73,548.60x = 110,063.70 × 51,257.40
  4. Step 4: Simplify right side
    73,548.60x = 5,641,579,096.38
  5. Step 5: Solve for x
    x = 5,641,579,096.38/73,548.60
  6. Step 6: Final answer
    x = 76,705.46

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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.