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Finding the Fourth Proportional to 96,865.60, 133,674.42 and 53,843.77

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Solution

The fourth proportional to 96,865.60, 133,674.42 and 53,843.77 is: 74,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,865.60 : 133,674.42 = 53,843.77 : x
  2. Step 2: Convert to fraction form
    96,865.60/133,674.42 = 53,843.77/x
  3. Step 3: Cross multiply
    96,865.60x = 133,674.42 × 53,843.77
  4. Step 4: Simplify right side
    96,865.60x = 7,197,534,725.36
  5. Step 5: Solve for x
    x = 7,197,534,725.36/96,865.60
  6. Step 6: Final answer
    x = 74,304.34

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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.