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Finding the Fourth Proportional to 96,966.54, 133,661.34 and 88,830.90

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Solution

The fourth proportional to 96,966.54, 133,661.34 and 88,830.90 is: 122,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,966.54 : 133,661.34 = 88,830.90 : x
  2. Step 2: Convert to fraction form
    96,966.54/133,661.34 = 88,830.90/x
  3. Step 3: Cross multiply
    96,966.54x = 133,661.34 × 88,830.90
  4. Step 4: Simplify right side
    96,966.54x = 11,873,257,127.41
  5. Step 5: Solve for x
    x = 11,873,257,127.41/96,966.54
  6. Step 6: Final answer
    x = 122,446.95

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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.