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Finding the Fourth Proportional to 252,367.72, 378,536.78 and 94,583

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Solution

The fourth proportional to 252,367.72, 378,536.78 and 94,583 is: 141,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,367.72 : 378,536.78 = 94,583 : x
  2. Step 2: Convert to fraction form
    252,367.72/378,536.78 = 94,583/x
  3. Step 3: Cross multiply
    252,367.72x = 378,536.78 × 94,583
  4. Step 4: Simplify right side
    252,367.72x = 35,803,144,262.74
  5. Step 5: Solve for x
    x = 35,803,144,262.74/252,367.72
  6. Step 6: Final answer
    x = 141,868.95

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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.