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Finding the Fourth Proportional to 96,571.80, 144,864.90 and 34,234.20

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Solution

The fourth proportional to 96,571.80, 144,864.90 and 34,234.20 is: 51,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,571.80 : 144,864.90 = 34,234.20 : x
  2. Step 2: Convert to fraction form
    96,571.80/144,864.90 = 34,234.20/x
  3. Step 3: Cross multiply
    96,571.80x = 144,864.90 × 34,234.20
  4. Step 4: Simplify right side
    96,571.80x = 4,959,333,959.58
  5. Step 5: Solve for x
    x = 4,959,333,959.58/96,571.80
  6. Step 6: Final answer
    x = 51,353.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.