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Finding the Fourth Proportional to 325,289.80, 487,841.06 and 112,049.10

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Solution

The fourth proportional to 325,289.80, 487,841.06 and 112,049.10 is: 168,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,289.80 : 487,841.06 = 112,049.10 : x
  2. Step 2: Convert to fraction form
    325,289.80/487,841.06 = 112,049.10/x
  3. Step 3: Cross multiply
    325,289.80x = 487,841.06 × 112,049.10
  4. Step 4: Simplify right side
    325,289.80x = 54,662,150,624.12
  5. Step 5: Solve for x
    x = 54,662,150,624.12/325,289.80
  6. Step 6: Final answer
    x = 168,041.39

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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.