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Finding the Fourth Proportional to 105,259.99, 157,779.69 and 49,053.73

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Solution

The fourth proportional to 105,259.99, 157,779.69 and 49,053.73 is: 73,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,259.99 : 157,779.69 = 49,053.73 : x
  2. Step 2: Convert to fraction form
    105,259.99/157,779.69 = 49,053.73/x
  3. Step 3: Cross multiply
    105,259.99x = 157,779.69 × 49,053.73
  4. Step 4: Simplify right side
    105,259.99x = 7,739,682,312.74
  5. Step 5: Solve for x
    x = 7,739,682,312.74/105,259.99
  6. Step 6: Final answer
    x = 73,529.19

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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.