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Finding the Fourth Proportional to 103,779.03, 155,690.43 and 33,652.89

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Solution

The fourth proportional to 103,779.03, 155,690.43 and 33,652.89 is: 50,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,779.03 : 155,690.43 = 33,652.89 : x
  2. Step 2: Convert to fraction form
    103,779.03/155,690.43 = 33,652.89/x
  3. Step 3: Cross multiply
    103,779.03x = 155,690.43 × 33,652.89
  4. Step 4: Simplify right side
    103,779.03x = 5,239,432,914.84
  5. Step 5: Solve for x
    x = 5,239,432,914.84/103,779.03
  6. Step 6: Final answer
    x = 50,486.43

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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.