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Finding the Fourth Proportional to 197,592.72, 296,389.06 and 72,933.72

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Solution

The fourth proportional to 197,592.72, 296,389.06 and 72,933.72 is: 109,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,592.72 : 296,389.06 = 72,933.72 : x
  2. Step 2: Convert to fraction form
    197,592.72/296,389.06 = 72,933.72/x
  3. Step 3: Cross multiply
    197,592.72x = 296,389.06 × 72,933.72
  4. Step 4: Simplify right side
    197,592.72x = 21,616,756,713.10
  5. Step 5: Solve for x
    x = 21,616,756,713.10/197,592.72
  6. Step 6: Final answer
    x = 109,400.57

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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.