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Finding the Fourth Proportional to 127,230.15, 190,845.23 and 65,022.15

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Solution

The fourth proportional to 127,230.15, 190,845.23 and 65,022.15 is: 97,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,230.15 : 190,845.23 = 65,022.15 : x
  2. Step 2: Convert to fraction form
    127,230.15/190,845.23 = 65,022.15/x
  3. Step 3: Cross multiply
    127,230.15x = 190,845.23 × 65,022.15
  4. Step 4: Simplify right side
    127,230.15x = 12,409,166,846.73
  5. Step 5: Solve for x
    x = 12,409,166,846.73/127,230.15
  6. Step 6: Final answer
    x = 97,533.23

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Similar ratio
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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.