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Finding the Fourth Proportional to 237,711.04, 356,343.26 and 79,828.78

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Solution

The fourth proportional to 237,711.04, 356,343.26 and 79,828.78 is: 119,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,711.04 : 356,343.26 = 79,828.78 : x
  2. Step 2: Convert to fraction form
    237,711.04/356,343.26 = 79,828.78/x
  3. Step 3: Cross multiply
    237,711.04x = 356,343.26 × 79,828.78
  4. Step 4: Simplify right side
    237,711.04x = 28,446,447,707.02
  5. Step 5: Solve for x
    x = 28,446,447,707.02/237,711.04
  6. Step 6: Final answer
    x = 119,668.18

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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.