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Finding the Fourth Proportional to 325,070.73, 487,506.69 and 114,659.46

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Solution

The fourth proportional to 325,070.73, 487,506.69 and 114,659.46 is: 171,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,070.73 : 487,506.69 = 114,659.46 : x
  2. Step 2: Convert to fraction form
    325,070.73/487,506.69 = 114,659.46/x
  3. Step 3: Cross multiply
    325,070.73x = 487,506.69 × 114,659.46
  4. Step 4: Simplify right side
    325,070.73x = 55,897,253,821.79
  5. Step 5: Solve for x
    x = 55,897,253,821.79/325,070.73
  6. Step 6: Final answer
    x = 171,954.13

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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.