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Finding the Fourth Proportional to 273,559.87, 377,511.18 and 158,866.72

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Solution

The fourth proportional to 273,559.87, 377,511.18 and 158,866.72 is: 219,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,559.87 : 377,511.18 = 158,866.72 : x
  2. Step 2: Convert to fraction form
    273,559.87/377,511.18 = 158,866.72/x
  3. Step 3: Cross multiply
    273,559.87x = 377,511.18 × 158,866.72
  4. Step 4: Simplify right side
    273,559.87x = 59,973,962,929.93
  5. Step 5: Solve for x
    x = 59,973,962,929.93/273,559.87
  6. Step 6: Final answer
    x = 219,235.24

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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.