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Finding the Fourth Proportional to 99,842.40, 149,676.04 and 37,556.64

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Solution

The fourth proportional to 99,842.40, 149,676.04 and 37,556.64 is: 56,302.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842.40 : 149,676.04 = 37,556.64 : x
  2. Step 2: Convert to fraction form
    99,842.40/149,676.04 = 37,556.64/x
  3. Step 3: Cross multiply
    99,842.40x = 149,676.04 × 37,556.64
  4. Step 4: Simplify right side
    99,842.40x = 5,621,329,150.91
  5. Step 5: Solve for x
    x = 5,621,329,150.91/99,842.40
  6. Step 6: Final answer
    x = 56,302.02

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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.