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Finding the Fourth Proportional to 196,521.79, 294,782.69 and 48,777.79

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Solution

The fourth proportional to 196,521.79, 294,782.69 and 48,777.79 is: 73,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,521.79 : 294,782.69 = 48,777.79 : x
  2. Step 2: Convert to fraction form
    196,521.79/294,782.69 = 48,777.79/x
  3. Step 3: Cross multiply
    196,521.79x = 294,782.69 × 48,777.79
  4. Step 4: Simplify right side
    196,521.79x = 14,378,847,904.57
  5. Step 5: Solve for x
    x = 14,378,847,904.57/196,521.79
  6. Step 6: Final answer
    x = 73,166.69

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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.