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Finding the Fourth Proportional to 320,703.52, 481,133.04 and 96,063.52

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Solution

The fourth proportional to 320,703.52, 481,133.04 and 96,063.52 is: 144,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,703.52 : 481,133.04 = 96,063.52 : x
  2. Step 2: Convert to fraction form
    320,703.52/481,133.04 = 96,063.52/x
  3. Step 3: Cross multiply
    320,703.52x = 481,133.04 × 96,063.52
  4. Step 4: Simplify right side
    320,703.52x = 46,219,333,410.70
  5. Step 5: Solve for x
    x = 46,219,333,410.70/320,703.52
  6. Step 6: Final answer
    x = 144,118.57

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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.