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Finding the Fourth Proportional to 127,224.40, 190,836.60 and 73,861.60

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Solution

The fourth proportional to 127,224.40, 190,836.60 and 73,861.60 is: 110,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.40 : 190,836.60 = 73,861.60 : x
  2. Step 2: Convert to fraction form
    127,224.40/190,836.60 = 73,861.60/x
  3. Step 3: Cross multiply
    127,224.40x = 190,836.60 × 73,861.60
  4. Step 4: Simplify right side
    127,224.40x = 14,095,496,614.56
  5. Step 5: Solve for x
    x = 14,095,496,614.56/127,224.40
  6. Step 6: Final answer
    x = 110,792.40

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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.