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Finding the Fourth Proportional to 325,295.39, 487,821.72 and 112,003.04

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Solution

The fourth proportional to 325,295.39, 487,821.72 and 112,003.04 is: 167,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,295.39 : 487,821.72 = 112,003.04 : x
  2. Step 2: Convert to fraction form
    325,295.39/487,821.72 = 112,003.04/x
  3. Step 3: Cross multiply
    325,295.39x = 487,821.72 × 112,003.04
  4. Step 4: Simplify right side
    325,295.39x = 54,637,515,618.03
  5. Step 5: Solve for x
    x = 54,637,515,618.03/325,295.39
  6. Step 6: Final answer
    x = 167,962.77

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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.