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Finding the Fourth Proportional to 115,779.87, 173,752.83 and 49,266.72

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Solution

The fourth proportional to 115,779.87, 173,752.83 and 49,266.72 is: 73,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,779.87 : 173,752.83 = 49,266.72 : x
  2. Step 2: Convert to fraction form
    115,779.87/173,752.83 = 49,266.72/x
  3. Step 3: Cross multiply
    115,779.87x = 173,752.83 × 49,266.72
  4. Step 4: Simplify right side
    115,779.87x = 8,560,232,024.82
  5. Step 5: Solve for x
    x = 8,560,232,024.82/115,779.87
  6. Step 6: Final answer
    x = 73,935.41

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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.