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Finding the Fourth Proportional to 98,676.36, 148,023.89 and 27,599.01

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Solution

The fourth proportional to 98,676.36, 148,023.89 and 27,599.01 is: 41,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,676.36 : 148,023.89 = 27,599.01 : x
  2. Step 2: Convert to fraction form
    98,676.36/148,023.89 = 27,599.01/x
  3. Step 3: Cross multiply
    98,676.36x = 148,023.89 × 27,599.01
  4. Step 4: Simplify right side
    98,676.36x = 4,085,312,682.35
  5. Step 5: Solve for x
    x = 4,085,312,682.35/98,676.36
  6. Step 6: Final answer
    x = 41,401.13

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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.