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Finding the Fourth Proportional to 298,882.56, 448,322.96 and 88,536.88

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Solution

The fourth proportional to 298,882.56, 448,322.96 and 88,536.88 is: 132,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,882.56 : 448,322.96 = 88,536.88 : x
  2. Step 2: Convert to fraction form
    298,882.56/448,322.96 = 88,536.88/x
  3. Step 3: Cross multiply
    298,882.56x = 448,322.96 × 88,536.88
  4. Step 4: Simplify right side
    298,882.56x = 39,693,116,110.76
  5. Step 5: Solve for x
    x = 39,693,116,110.76/298,882.56
  6. Step 6: Final answer
    x = 132,805.06

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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.