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Finding the Fourth Proportional to 97,230.56, 145,870.45 and 27,109.88

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Solution

The fourth proportional to 97,230.56, 145,870.45 and 27,109.88 is: 40,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,230.56 : 145,870.45 = 27,109.88 : x
  2. Step 2: Convert to fraction form
    97,230.56/145,870.45 = 27,109.88/x
  3. Step 3: Cross multiply
    97,230.56x = 145,870.45 × 27,109.88
  4. Step 4: Simplify right side
    97,230.56x = 3,954,529,597.92
  5. Step 5: Solve for x
    x = 3,954,529,597.92/97,230.56
  6. Step 6: Final answer
    x = 40,671.67

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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.