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Finding the Fourth Proportional to 105,797.13, 146,000.03 and 63,380.26

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Solution

The fourth proportional to 105,797.13, 146,000.03 and 63,380.26 is: 87,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,797.13 : 146,000.03 = 63,380.26 : x
  2. Step 2: Convert to fraction form
    105,797.13/146,000.03 = 63,380.26/x
  3. Step 3: Cross multiply
    105,797.13x = 146,000.03 × 63,380.26
  4. Step 4: Simplify right side
    105,797.13x = 9,253,519,861.41
  5. Step 5: Solve for x
    x = 9,253,519,861.41/105,797.13
  6. Step 6: Final answer
    x = 87,464.75

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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.