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Finding the Fourth Proportional to 273,408, 377,317.62 and 160,267.20

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Solution

The fourth proportional to 273,408, 377,317.62 and 160,267.20 is: 221,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,408 : 377,317.62 = 160,267.20 : x
  2. Step 2: Convert to fraction form
    273,408/377,317.62 = 160,267.20/x
  3. Step 3: Cross multiply
    273,408x = 377,317.62 × 160,267.20
  4. Step 4: Simplify right side
    273,408x = 60,471,638,468.06
  5. Step 5: Solve for x
    x = 60,471,638,468.06/273,408
  6. Step 6: Final answer
    x = 221,177.28

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Why These Related Problems?

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