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Finding the Fourth Proportional to 97,740.72, 146,592.72 and 27,619.56

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Solution

The fourth proportional to 97,740.72, 146,592.72 and 27,619.56 is: 41,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,740.72 : 146,592.72 = 27,619.56 : x
  2. Step 2: Convert to fraction form
    97,740.72/146,592.72 = 27,619.56/x
  3. Step 3: Cross multiply
    97,740.72x = 146,592.72 × 27,619.56
  4. Step 4: Simplify right side
    97,740.72x = 4,048,826,425.60
  5. Step 5: Solve for x
    x = 4,048,826,425.60/97,740.72
  6. Step 6: Final answer
    x = 41,424.15

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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.