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Finding the Fourth Proportional to 103,744.70, 155,693.85 and 41,459.90

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Solution

The fourth proportional to 103,744.70, 155,693.85 and 41,459.90 is: 62,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.70 : 155,693.85 = 41,459.90 : x
  2. Step 2: Convert to fraction form
    103,744.70/155,693.85 = 41,459.90/x
  3. Step 3: Cross multiply
    103,744.70x = 155,693.85 × 41,459.90
  4. Step 4: Simplify right side
    103,744.70x = 6,455,051,451.62
  5. Step 5: Solve for x
    x = 6,455,051,451.62/103,744.70
  6. Step 6: Final answer
    x = 62,220.54

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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.