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Finding the Fourth Proportional to 96,338.88, 132,915.22 and 56,019.49

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Solution

The fourth proportional to 96,338.88, 132,915.22 and 56,019.49 is: 77,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,338.88 : 132,915.22 = 56,019.49 : x
  2. Step 2: Convert to fraction form
    96,338.88/132,915.22 = 56,019.49/x
  3. Step 3: Cross multiply
    96,338.88x = 132,915.22 × 56,019.49
  4. Step 4: Simplify right side
    96,338.88x = 7,445,842,365.30
  5. Step 5: Solve for x
    x = 7,445,842,365.30/96,338.88
  6. Step 6: Final answer
    x = 77,288.03

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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.