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Finding the Fourth Proportional to 244,782.72, 366,878.84 and 126,389.48

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Solution

The fourth proportional to 244,782.72, 366,878.84 and 126,389.48 is: 189,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,782.72 : 366,878.84 = 126,389.48 : x
  2. Step 2: Convert to fraction form
    244,782.72/366,878.84 = 126,389.48/x
  3. Step 3: Cross multiply
    244,782.72x = 366,878.84 × 126,389.48
  4. Step 4: Simplify right side
    244,782.72x = 46,369,623,344.26
  5. Step 5: Solve for x
    x = 46,369,623,344.26/244,782.72
  6. Step 6: Final answer
    x = 189,431.77

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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.