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Finding the Fourth Proportional to 126,967.65, 190,539.11 and 43,861.65

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Solution

The fourth proportional to 126,967.65, 190,539.11 and 43,861.65 is: 65,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,967.65 : 190,539.11 = 43,861.65 : x
  2. Step 2: Convert to fraction form
    126,967.65/190,539.11 = 43,861.65/x
  3. Step 3: Cross multiply
    126,967.65x = 190,539.11 × 43,861.65
  4. Step 4: Simplify right side
    126,967.65x = 8,357,359,754.13
  5. Step 5: Solve for x
    x = 8,357,359,754.13/126,967.65
  6. Step 6: Final answer
    x = 65,822.75

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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.