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Finding the Fourth Proportional to 96,323.76, 132,960.12 and 66,208.80

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Solution

The fourth proportional to 96,323.76, 132,960.12 and 66,208.80 is: 91,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,323.76 : 132,960.12 = 66,208.80 : x
  2. Step 2: Convert to fraction form
    96,323.76/132,960.12 = 66,208.80/x
  3. Step 3: Cross multiply
    96,323.76x = 132,960.12 × 66,208.80
  4. Step 4: Simplify right side
    96,323.76x = 8,803,129,993.06
  5. Step 5: Solve for x
    x = 8,803,129,993.06/96,323.76
  6. Step 6: Final answer
    x = 91,391.05

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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.