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Finding the Fourth Proportional to 161,891.70, 242,796.08 and 48,012.85

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Solution

The fourth proportional to 161,891.70, 242,796.08 and 48,012.85 is: 72,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,891.70 : 242,796.08 = 48,012.85 : x
  2. Step 2: Convert to fraction form
    161,891.70/242,796.08 = 48,012.85/x
  3. Step 3: Cross multiply
    161,891.70x = 242,796.08 × 48,012.85
  4. Step 4: Simplify right side
    161,891.70x = 11,657,332,193.16
  5. Step 5: Solve for x
    x = 11,657,332,193.16/161,891.70
  6. Step 6: Final answer
    x = 72,006.98

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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.