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Finding the Fourth Proportional to 104,779.65, 157,167.93 and 25,893.87

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Solution

The fourth proportional to 104,779.65, 157,167.93 and 25,893.87 is: 38,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,779.65 : 157,167.93 = 25,893.87 : x
  2. Step 2: Convert to fraction form
    104,779.65/157,167.93 = 25,893.87/x
  3. Step 3: Cross multiply
    104,779.65x = 157,167.93 × 25,893.87
  4. Step 4: Simplify right side
    104,779.65x = 4,069,685,947.59
  5. Step 5: Solve for x
    x = 4,069,685,947.59/104,779.65
  6. Step 6: Final answer
    x = 38,840.42

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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.