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Finding the Fourth Proportional to 303,750.36, 455,710.03 and 132,941.61

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Solution

The fourth proportional to 303,750.36, 455,710.03 and 132,941.61 is: 199,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,750.36 : 455,710.03 = 132,941.61 : x
  2. Step 2: Convert to fraction form
    303,750.36/455,710.03 = 132,941.61/x
  3. Step 3: Cross multiply
    303,750.36x = 455,710.03 × 132,941.61
  4. Step 4: Simplify right side
    303,750.36x = 60,582,824,748.99
  5. Step 5: Solve for x
    x = 60,582,824,748.99/303,750.36
  6. Step 6: Final answer
    x = 199,449.39

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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.