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Finding the Fourth Proportional to 75,676.51, 113,339.80 and 73,052.11

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Solution

The fourth proportional to 75,676.51, 113,339.80 and 73,052.11 is: 109,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.51 : 113,339.80 = 73,052.11 : x
  2. Step 2: Convert to fraction form
    75,676.51/113,339.80 = 73,052.11/x
  3. Step 3: Cross multiply
    75,676.51x = 113,339.80 × 73,052.11
  4. Step 4: Simplify right side
    75,676.51x = 8,279,710,605.02
  5. Step 5: Solve for x
    x = 8,279,710,605.02/75,676.51
  6. Step 6: Final answer
    x = 109,409.26

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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.