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Finding the Fourth Proportional to 183,696.87, 253,501.53 and 103,124.55

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Solution

The fourth proportional to 183,696.87, 253,501.53 and 103,124.55 is: 142,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,696.87 : 253,501.53 = 103,124.55 : x
  2. Step 2: Convert to fraction form
    183,696.87/253,501.53 = 103,124.55/x
  3. Step 3: Cross multiply
    183,696.87x = 253,501.53 × 103,124.55
  4. Step 4: Simplify right side
    183,696.87x = 26,142,231,205.56
  5. Step 5: Solve for x
    x = 26,142,231,205.56/183,696.87
  6. Step 6: Final answer
    x = 142,311.79

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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.