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Finding the Fourth Proportional to 96,843.71, 133,656.81 and 54,410.45

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Solution

The fourth proportional to 96,843.71, 133,656.81 and 54,410.45 is: 75,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,843.71 : 133,656.81 = 54,410.45 : x
  2. Step 2: Convert to fraction form
    96,843.71/133,656.81 = 54,410.45/x
  3. Step 3: Cross multiply
    96,843.71x = 133,656.81 × 54,410.45
  4. Step 4: Simplify right side
    96,843.71x = 7,272,326,305.34
  5. Step 5: Solve for x
    x = 7,272,326,305.34/96,843.71
  6. Step 6: Final answer
    x = 75,093.43

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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.