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Finding the Fourth Proportional to 320,701.52, 481,130.04 and 96,061.52

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Solution

The fourth proportional to 320,701.52, 481,130.04 and 96,061.52 is: 144,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,701.52 : 481,130.04 = 96,061.52 : x
  2. Step 2: Convert to fraction form
    320,701.52/481,130.04 = 96,061.52/x
  3. Step 3: Cross multiply
    320,701.52x = 481,130.04 × 96,061.52
  4. Step 4: Simplify right side
    320,701.52x = 46,218,082,960.06
  5. Step 5: Solve for x
    x = 46,218,082,960.06/320,701.52
  6. Step 6: Final answer
    x = 144,115.57

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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.