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Finding the Fourth Proportional to 96,320.76, 132,955.98 and 66,205.80

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Solution

The fourth proportional to 96,320.76, 132,955.98 and 66,205.80 is: 91,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,320.76 : 132,955.98 = 66,205.80 : x
  2. Step 2: Convert to fraction form
    96,320.76/132,955.98 = 66,205.80/x
  3. Step 3: Cross multiply
    96,320.76x = 132,955.98 × 66,205.80
  4. Step 4: Simplify right side
    96,320.76x = 8,802,457,020.68
  5. Step 5: Solve for x
    x = 8,802,457,020.68/96,320.76
  6. Step 6: Final answer
    x = 91,386.91

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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.