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Finding the Fourth Proportional to 322,490.84, 483,747.06 and 112,130.60

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Solution

The fourth proportional to 322,490.84, 483,747.06 and 112,130.60 is: 168,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,490.84 : 483,747.06 = 112,130.60 : x
  2. Step 2: Convert to fraction form
    322,490.84/483,747.06 = 112,130.60/x
  3. Step 3: Cross multiply
    322,490.84x = 483,747.06 × 112,130.60
  4. Step 4: Simplify right side
    322,490.84x = 54,242,848,086.04
  5. Step 5: Solve for x
    x = 54,242,848,086.04/322,490.84
  6. Step 6: Final answer
    x = 168,199.66

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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.