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Finding the Fourth Proportional to 375,551.56, 563,419.74 and 109,314.52

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Solution

The fourth proportional to 375,551.56, 563,419.74 and 109,314.52 is: 163,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,551.56 : 563,419.74 = 109,314.52 : x
  2. Step 2: Convert to fraction form
    375,551.56/563,419.74 = 109,314.52/x
  3. Step 3: Cross multiply
    375,551.56x = 563,419.74 × 109,314.52
  4. Step 4: Simplify right side
    375,551.56x = 61,589,958,436.62
  5. Step 5: Solve for x
    x = 61,589,958,436.62/375,551.56
  6. Step 6: Final answer
    x = 163,998.68

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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.