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Finding the Fourth Proportional to 301,746.75, 452,620.17 and 80,130.75

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Solution

The fourth proportional to 301,746.75, 452,620.17 and 80,130.75 is: 120,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,746.75 : 452,620.17 = 80,130.75 : x
  2. Step 2: Convert to fraction form
    301,746.75/452,620.17 = 80,130.75/x
  3. Step 3: Cross multiply
    301,746.75x = 452,620.17 × 80,130.75
  4. Step 4: Simplify right side
    301,746.75x = 36,268,793,687.23
  5. Step 5: Solve for x
    x = 36,268,793,687.23/301,746.75
  6. Step 6: Final answer
    x = 120,196.14

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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.