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Finding the Fourth Proportional to 375,408.68, 563,108.26 and 91,101.56

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Solution

The fourth proportional to 375,408.68, 563,108.26 and 91,101.56 is: 136,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,408.68 : 563,108.26 = 91,101.56 : x
  2. Step 2: Convert to fraction form
    375,408.68/563,108.26 = 91,101.56/x
  3. Step 3: Cross multiply
    375,408.68x = 563,108.26 × 91,101.56
  4. Step 4: Simplify right side
    375,408.68x = 51,300,040,934.89
  5. Step 5: Solve for x
    x = 51,300,040,934.89/375,408.68
  6. Step 6: Final answer
    x = 136,651.18

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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.