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Finding the Fourth Proportional to 131,216.34, 181,060.44 and 73,858.62

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Solution

The fourth proportional to 131,216.34, 181,060.44 and 73,858.62 is: 101,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,216.34 : 181,060.44 = 73,858.62 : x
  2. Step 2: Convert to fraction form
    131,216.34/181,060.44 = 73,858.62/x
  3. Step 3: Cross multiply
    131,216.34x = 181,060.44 × 73,858.62
  4. Step 4: Simplify right side
    131,216.34x = 13,372,874,234.99
  5. Step 5: Solve for x
    x = 13,372,874,234.99/131,216.34
  6. Step 6: Final answer
    x = 101,914.70

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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.