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Finding the Fourth Proportional to 96,383.40, 132,915.78 and 75,154.92

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Solution

The fourth proportional to 96,383.40, 132,915.78 and 75,154.92 is: 103,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,383.40 : 132,915.78 = 75,154.92 : x
  2. Step 2: Convert to fraction form
    96,383.40/132,915.78 = 75,154.92/x
  3. Step 3: Cross multiply
    96,383.40x = 132,915.78 × 75,154.92
  4. Step 4: Simplify right side
    96,383.40x = 9,989,274,812.64
  5. Step 5: Solve for x
    x = 9,989,274,812.64/96,383.40
  6. Step 6: Final answer
    x = 103,641.03

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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.