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Finding the Fourth Proportional to 96,482.79, 133,152.39 and 54,043.92

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Solution

The fourth proportional to 96,482.79, 133,152.39 and 54,043.92 is: 74,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,482.79 : 133,152.39 = 54,043.92 : x
  2. Step 2: Convert to fraction form
    96,482.79/133,152.39 = 54,043.92/x
  3. Step 3: Cross multiply
    96,482.79x = 133,152.39 × 54,043.92
  4. Step 4: Simplify right side
    96,482.79x = 7,196,077,112.97
  5. Step 5: Solve for x
    x = 7,196,077,112.97/96,482.79
  6. Step 6: Final answer
    x = 74,584.05

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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.