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Finding the Fourth Proportional to 275,514.66, 380,165.13 and 162,322.02

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Solution

The fourth proportional to 275,514.66, 380,165.13 and 162,322.02 is: 223,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,514.66 : 380,165.13 = 162,322.02 : x
  2. Step 2: Convert to fraction form
    275,514.66/380,165.13 = 162,322.02/x
  3. Step 3: Cross multiply
    275,514.66x = 380,165.13 × 162,322.02
  4. Step 4: Simplify right side
    275,514.66x = 61,709,171,835.16
  5. Step 5: Solve for x
    x = 61,709,171,835.16/275,514.66
  6. Step 6: Final answer
    x = 223,977.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.