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Finding the Fourth Proportional to 293,205.80, 439,751.10 and 96,213.80

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Solution

The fourth proportional to 293,205.80, 439,751.10 and 96,213.80 is: 144,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,205.80 : 439,751.10 = 96,213.80 : x
  2. Step 2: Convert to fraction form
    293,205.80/439,751.10 = 96,213.80/x
  3. Step 3: Cross multiply
    293,205.80x = 439,751.10 × 96,213.80
  4. Step 4: Simplify right side
    293,205.80x = 42,310,124,385.18
  5. Step 5: Solve for x
    x = 42,310,124,385.18/293,205.80
  6. Step 6: Final answer
    x = 144,301.80

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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.