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Finding the Fourth Proportional to 325,839.34, 488,639.13 and 112,552.98

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Solution

The fourth proportional to 325,839.34, 488,639.13 and 112,552.98 is: 168,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,839.34 : 488,639.13 = 112,552.98 : x
  2. Step 2: Convert to fraction form
    325,839.34/488,639.13 = 112,552.98/x
  3. Step 3: Cross multiply
    325,839.34x = 488,639.13 × 112,552.98
  4. Step 4: Simplify right side
    325,839.34x = 54,997,790,226.11
  5. Step 5: Solve for x
    x = 54,997,790,226.11/325,839.34
  6. Step 6: Final answer
    x = 168,788.06

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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.