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Finding the Fourth Proportional to 320,892.88, 481,332.86 and 110,526.16

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Solution

The fourth proportional to 320,892.88, 481,332.86 and 110,526.16 is: 165,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,892.88 : 481,332.86 = 110,526.16 : x
  2. Step 2: Convert to fraction form
    320,892.88/481,332.86 = 110,526.16/x
  3. Step 3: Cross multiply
    320,892.88x = 481,332.86 × 110,526.16
  4. Step 4: Simplify right side
    320,892.88x = 53,199,872,697.62
  5. Step 5: Solve for x
    x = 53,199,872,697.62/320,892.88
  6. Step 6: Final answer
    x = 165,787.01

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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.