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Finding the Fourth Proportional to 183,074.50, 252,646.65 and 103,586.50

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Solution

The fourth proportional to 183,074.50, 252,646.65 and 103,586.50 is: 142,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,074.50 : 252,646.65 = 103,586.50 : x
  2. Step 2: Convert to fraction form
    183,074.50/252,646.65 = 103,586.50/x
  3. Step 3: Cross multiply
    183,074.50x = 252,646.65 × 103,586.50
  4. Step 4: Simplify right side
    183,074.50x = 26,170,782,210.23
  5. Step 5: Solve for x
    x = 26,170,782,210.23/183,074.50
  6. Step 6: Final answer
    x = 142,951.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.