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Finding the Fourth Proportional to 325,500.58, 488,097.78 and 125,914.96

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Solution

The fourth proportional to 325,500.58, 488,097.78 and 125,914.96 is: 188,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,500.58 : 488,097.78 = 125,914.96 : x
  2. Step 2: Convert to fraction form
    325,500.58/488,097.78 = 125,914.96/x
  3. Step 3: Cross multiply
    325,500.58x = 488,097.78 × 125,914.96
  4. Step 4: Simplify right side
    325,500.58x = 61,458,812,444.79
  5. Step 5: Solve for x
    x = 61,458,812,444.79/325,500.58
  6. Step 6: Final answer
    x = 188,813.22

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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.