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Finding the Fourth Proportional to 273,945.12, 411,036.48 and 96,578.88

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Solution

The fourth proportional to 273,945.12, 411,036.48 and 96,578.88 is: 144,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,945.12 : 411,036.48 = 96,578.88 : x
  2. Step 2: Convert to fraction form
    273,945.12/411,036.48 = 96,578.88/x
  3. Step 3: Cross multiply
    273,945.12x = 411,036.48 × 96,578.88
  4. Step 4: Simplify right side
    273,945.12x = 39,697,442,877.54
  5. Step 5: Solve for x
    x = 39,697,442,877.54/273,945.12
  6. Step 6: Final answer
    x = 144,910.20

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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.