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Finding the Fourth Proportional to 127,105.64, 190,621.34 and 48,162.92

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Solution

The fourth proportional to 127,105.64, 190,621.34 and 48,162.92 is: 72,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,105.64 : 190,621.34 = 48,162.92 : x
  2. Step 2: Convert to fraction form
    127,105.64/190,621.34 = 48,162.92/x
  3. Step 3: Cross multiply
    127,105.64x = 190,621.34 × 48,162.92
  4. Step 4: Simplify right side
    127,105.64x = 9,180,880,348.71
  5. Step 5: Solve for x
    x = 9,180,880,348.71/127,105.64
  6. Step 6: Final answer
    x = 72,230.31

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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.