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Finding the Fourth Proportional to 99,367.56, 149,051.18 and 25,495.56

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Solution

The fourth proportional to 99,367.56, 149,051.18 and 25,495.56 is: 38,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,367.56 : 149,051.18 = 25,495.56 : x
  2. Step 2: Convert to fraction form
    99,367.56/149,051.18 = 25,495.56/x
  3. Step 3: Cross multiply
    99,367.56x = 149,051.18 × 25,495.56
  4. Step 4: Simplify right side
    99,367.56x = 3,800,143,302.76
  5. Step 5: Solve for x
    x = 3,800,143,302.76/99,367.56
  6. Step 6: Final answer
    x = 38,243.30

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1.5x scale

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.