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Finding the Fourth Proportional to 96,481.50, 133,144.47 and 54,039.93

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Solution

The fourth proportional to 96,481.50, 133,144.47 and 54,039.93 is: 74,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,481.50 : 133,144.47 = 54,039.93 : x
  2. Step 2: Convert to fraction form
    96,481.50/133,144.47 = 54,039.93/x
  3. Step 3: Cross multiply
    96,481.50x = 133,144.47 × 54,039.93
  4. Step 4: Simplify right side
    96,481.50x = 7,195,117,838.69
  5. Step 5: Solve for x
    x = 7,195,117,838.69/96,481.50
  6. Step 6: Final answer
    x = 74,575.10

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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.