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Finding the Fourth Proportional to 235,778.79, 353,671.83 and 131,262.06

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Solution

The fourth proportional to 235,778.79, 353,671.83 and 131,262.06 is: 196,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,778.79 : 353,671.83 = 131,262.06 : x
  2. Step 2: Convert to fraction form
    235,778.79/353,671.83 = 131,262.06/x
  3. Step 3: Cross multiply
    235,778.79x = 353,671.83 × 131,262.06
  4. Step 4: Simplify right side
    235,778.79x = 46,423,692,969.77
  5. Step 5: Solve for x
    x = 46,423,692,969.77/235,778.79
  6. Step 6: Final answer
    x = 196,895.12

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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.