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Finding the Fourth Proportional to 127,846.60, 192,000.30 and 123,699.40

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Solution

The fourth proportional to 127,846.60, 192,000.30 and 123,699.40 is: 185,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,846.60 : 192,000.30 = 123,699.40 : x
  2. Step 2: Convert to fraction form
    127,846.60/192,000.30 = 123,699.40/x
  3. Step 3: Cross multiply
    127,846.60x = 192,000.30 × 123,699.40
  4. Step 4: Simplify right side
    127,846.60x = 23,750,321,909.82
  5. Step 5: Solve for x
    x = 23,750,321,909.82/127,846.60
  6. Step 6: Final answer
    x = 185,772.03

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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.