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Finding the Fourth Proportional to 325,167.96, 487,907.44 and 114,904.92

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Solution

The fourth proportional to 325,167.96, 487,907.44 and 114,904.92 is: 172,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,167.96 : 487,907.44 = 114,904.92 : x
  2. Step 2: Convert to fraction form
    325,167.96/487,907.44 = 114,904.92/x
  3. Step 3: Cross multiply
    325,167.96x = 487,907.44 × 114,904.92
  4. Step 4: Simplify right side
    325,167.96x = 56,062,965,360.60
  5. Step 5: Solve for x
    x = 56,062,965,360.60/325,167.96
  6. Step 6: Final answer
    x = 172,412.33

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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.