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Finding the Fourth Proportional to 281,803.36, 422,637.92 and 113,324.08

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Solution

The fourth proportional to 281,803.36, 422,637.92 and 113,324.08 is: 169,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,803.36 : 422,637.92 = 113,324.08 : x
  2. Step 2: Convert to fraction form
    281,803.36/422,637.92 = 113,324.08/x
  3. Step 3: Cross multiply
    281,803.36x = 422,637.92 × 113,324.08
  4. Step 4: Simplify right side
    281,803.36x = 47,895,053,457.11
  5. Step 5: Solve for x
    x = 47,895,053,457.11/281,803.36
  6. Step 6: Final answer
    x = 169,959.13

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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.