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Finding the Fourth Proportional to 322,592.40, 483,888.60 and 112,081.50

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Solution

The fourth proportional to 322,592.40, 483,888.60 and 112,081.50 is: 168,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,592.40 : 483,888.60 = 112,081.50 : x
  2. Step 2: Convert to fraction form
    322,592.40/483,888.60 = 112,081.50/x
  3. Step 3: Cross multiply
    322,592.40x = 483,888.60 × 112,081.50
  4. Step 4: Simplify right side
    322,592.40x = 54,234,960,120.90
  5. Step 5: Solve for x
    x = 54,234,960,120.90/322,592.40
  6. Step 6: Final answer
    x = 168,122.25

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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.