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Finding the Fourth Proportional to 375,744.98, 563,618.60 and 91,435.57

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Solution

The fourth proportional to 375,744.98, 563,618.60 and 91,435.57 is: 137,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,744.98 : 563,618.60 = 91,435.57 : x
  2. Step 2: Convert to fraction form
    375,744.98/563,618.60 = 91,435.57/x
  3. Step 3: Cross multiply
    375,744.98x = 563,618.60 × 91,435.57
  4. Step 4: Simplify right side
    375,744.98x = 51,534,786,544.56
  5. Step 5: Solve for x
    x = 51,534,786,544.56/375,744.98
  6. Step 6: Final answer
    x = 137,153.63

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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.