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Finding the Fourth Proportional to 321,245.16, 481,783.77 and 96,545.49

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Solution

The fourth proportional to 321,245.16, 481,783.77 and 96,545.49 is: 144,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,245.16 : 481,783.77 = 96,545.49 : x
  2. Step 2: Convert to fraction form
    321,245.16/481,783.77 = 96,545.49/x
  3. Step 3: Cross multiply
    321,245.16x = 481,783.77 × 96,545.49
  4. Step 4: Simplify right side
    321,245.16x = 46,514,050,148.70
  5. Step 5: Solve for x
    x = 46,514,050,148.70/321,245.16
  6. Step 6: Final answer
    x = 144,793.00

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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.