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Finding the Fourth Proportional to 252,536.40, 378,950.40 and 94,780.80

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Solution

The fourth proportional to 252,536.40, 378,950.40 and 94,780.80 is: 142,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,536.40 : 378,950.40 = 94,780.80 : x
  2. Step 2: Convert to fraction form
    252,536.40/378,950.40 = 94,780.80/x
  3. Step 3: Cross multiply
    252,536.40x = 378,950.40 × 94,780.80
  4. Step 4: Simplify right side
    252,536.40x = 35,917,222,072.32
  5. Step 5: Solve for x
    x = 35,917,222,072.32/252,536.40
  6. Step 6: Final answer
    x = 142,225.92

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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.