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Finding the Fourth Proportional to 183,406.70, 275,110.05 and 103,690.55

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Solution

The fourth proportional to 183,406.70, 275,110.05 and 103,690.55 is: 155,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,406.70 : 275,110.05 = 103,690.55 : x
  2. Step 2: Convert to fraction form
    183,406.70/275,110.05 = 103,690.55/x
  3. Step 3: Cross multiply
    183,406.70x = 275,110.05 × 103,690.55
  4. Step 4: Simplify right side
    183,406.70x = 28,526,312,395.03
  5. Step 5: Solve for x
    x = 28,526,312,395.03/183,406.70
  6. Step 6: Final answer
    x = 155,535.83

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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.