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Finding the Fourth Proportional to 321,152.45, 481,710.12 and 96,508.05

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Solution

The fourth proportional to 321,152.45, 481,710.12 and 96,508.05 is: 144,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,152.45 : 481,710.12 = 96,508.05 : x
  2. Step 2: Convert to fraction form
    321,152.45/481,710.12 = 96,508.05/x
  3. Step 3: Cross multiply
    321,152.45x = 481,710.12 × 96,508.05
  4. Step 4: Simplify right side
    321,152.45x = 46,488,904,346.47
  5. Step 5: Solve for x
    x = 46,488,904,346.47/321,152.45
  6. Step 6: Final answer
    x = 144,756.50

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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.