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Finding the Fourth Proportional to 450,039.28, 675,006.96 and 113,054.31

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Solution

The fourth proportional to 450,039.28, 675,006.96 and 113,054.31 is: 169,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,039.28 : 675,006.96 = 113,054.31 : x
  2. Step 2: Convert to fraction form
    450,039.28/675,006.96 = 113,054.31/x
  3. Step 3: Cross multiply
    450,039.28x = 675,006.96 × 113,054.31
  4. Step 4: Simplify right side
    450,039.28x = 76,312,446,108.00
  5. Step 5: Solve for x
    x = 76,312,446,108.00/450,039.28
  6. Step 6: Final answer
    x = 169,568.41

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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.