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Finding the Fourth Proportional to 325,101.08, 487,844.22 and 147,605.42

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Solution

The fourth proportional to 325,101.08, 487,844.22 and 147,605.42 is: 221,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,101.08 : 487,844.22 = 147,605.42 : x
  2. Step 2: Convert to fraction form
    325,101.08/487,844.22 = 147,605.42/x
  3. Step 3: Cross multiply
    325,101.08x = 487,844.22 × 147,605.42
  4. Step 4: Simplify right side
    325,101.08x = 72,008,450,987.67
  5. Step 5: Solve for x
    x = 72,008,450,987.67/325,101.08
  6. Step 6: Final answer
    x = 221,495.58

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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.