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Finding the Fourth Proportional to 104,779.40, 157,167.56 and 25,893.62

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Solution

The fourth proportional to 104,779.40, 157,167.56 and 25,893.62 is: 38,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,779.40 : 157,167.56 = 25,893.62 : x
  2. Step 2: Convert to fraction form
    104,779.40/157,167.56 = 25,893.62/x
  3. Step 3: Cross multiply
    104,779.40x = 157,167.56 × 25,893.62
  4. Step 4: Simplify right side
    104,779.40x = 4,069,636,945.50
  5. Step 5: Solve for x
    x = 4,069,636,945.50/104,779.40
  6. Step 6: Final answer
    x = 38,840.05

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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.