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Finding the Fourth Proportional to 98,503.36, 147,748.96 and 39,296.41

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Solution

The fourth proportional to 98,503.36, 147,748.96 and 39,296.41 is: 58,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,503.36 : 147,748.96 = 39,296.41 : x
  2. Step 2: Convert to fraction form
    98,503.36/147,748.96 = 39,296.41/x
  3. Step 3: Cross multiply
    98,503.36x = 147,748.96 × 39,296.41
  4. Step 4: Simplify right side
    98,503.36x = 5,806,003,709.23
  5. Step 5: Solve for x
    x = 5,806,003,709.23/98,503.36
  6. Step 6: Final answer
    x = 58,942.19

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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.