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Finding the Fourth Proportional to 96,508.88, 133,187.72 and 54,081.08

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Solution

The fourth proportional to 96,508.88, 133,187.72 and 54,081.08 is: 74,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,508.88 : 133,187.72 = 54,081.08 : x
  2. Step 2: Convert to fraction form
    96,508.88/133,187.72 = 54,081.08/x
  3. Step 3: Cross multiply
    96,508.88x = 133,187.72 × 54,081.08
  4. Step 4: Simplify right side
    96,508.88x = 7,202,934,803.99
  5. Step 5: Solve for x
    x = 7,202,934,803.99/96,508.88
  6. Step 6: Final answer
    x = 74,634.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.