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Finding the Fourth Proportional to 96,661, 133,415.22 and 58,966.84

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Solution

The fourth proportional to 96,661, 133,415.22 and 58,966.84 is: 81,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661 : 133,415.22 = 58,966.84 : x
  2. Step 2: Convert to fraction form
    96,661/133,415.22 = 58,966.84/x
  3. Step 3: Cross multiply
    96,661x = 133,415.22 × 58,966.84
  4. Step 4: Simplify right side
    96,661x = 7,867,073,931.30
  5. Step 5: Solve for x
    x = 7,867,073,931.30/96,661
  6. Step 6: Final answer
    x = 81,388.29

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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.