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Finding the Fourth Proportional to 96,661.36, 133,392.48 and 53,647.45

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Solution

The fourth proportional to 96,661.36, 133,392.48 and 53,647.45 is: 74,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.36 : 133,392.48 = 53,647.45 : x
  2. Step 2: Convert to fraction form
    96,661.36/133,392.48 = 53,647.45/x
  3. Step 3: Cross multiply
    96,661.36x = 133,392.48 × 53,647.45
  4. Step 4: Simplify right side
    96,661.36x = 7,156,165,734.21
  5. Step 5: Solve for x
    x = 7,156,165,734.21/96,661.36
  6. Step 6: Final answer
    x = 74,033.37

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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.