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Finding the Fourth Proportional to 235,601.44, 353,351.40 and 77,792.56

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Solution

The fourth proportional to 235,601.44, 353,351.40 and 77,792.56 is: 116,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,601.44 : 353,351.40 = 77,792.56 : x
  2. Step 2: Convert to fraction form
    235,601.44/353,351.40 = 77,792.56/x
  3. Step 3: Cross multiply
    235,601.44x = 353,351.40 × 77,792.56
  4. Step 4: Simplify right side
    235,601.44x = 27,488,109,985.58
  5. Step 5: Solve for x
    x = 27,488,109,985.58/235,601.44
  6. Step 6: Final answer
    x = 116,672.08

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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.