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Finding the Fourth Proportional to 325,410.52, 488,065.62 and 88,772.44

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Solution

The fourth proportional to 325,410.52, 488,065.62 and 88,772.44 is: 133,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,410.52 : 488,065.62 = 88,772.44 : x
  2. Step 2: Convert to fraction form
    325,410.52/488,065.62 = 88,772.44/x
  3. Step 3: Cross multiply
    325,410.52x = 488,065.62 × 88,772.44
  4. Step 4: Simplify right side
    325,410.52x = 43,326,775,967.51
  5. Step 5: Solve for x
    x = 43,326,775,967.51/325,410.52
  6. Step 6: Final answer
    x = 133,144.98

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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.