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Finding the Fourth Proportional to 325,797.51, 488,761.47 and 112,573.21

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Solution

The fourth proportional to 325,797.51, 488,761.47 and 112,573.21 is: 168,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,797.51 : 488,761.47 = 112,573.21 : x
  2. Step 2: Convert to fraction form
    325,797.51/488,761.47 = 112,573.21/x
  3. Step 3: Cross multiply
    325,797.51x = 488,761.47 × 112,573.21
  4. Step 4: Simplify right side
    325,797.51x = 55,021,447,602.22
  5. Step 5: Solve for x
    x = 55,021,447,602.22/325,797.51
  6. Step 6: Final answer
    x = 168,882.35

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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.