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Finding the Fourth Proportional to 127,112.99, 175,415.43 and 69,753.27

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Solution

The fourth proportional to 127,112.99, 175,415.43 and 69,753.27 is: 96,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.99 : 175,415.43 = 69,753.27 : x
  2. Step 2: Convert to fraction form
    127,112.99/175,415.43 = 69,753.27/x
  3. Step 3: Cross multiply
    127,112.99x = 175,415.43 × 69,753.27
  4. Step 4: Simplify right side
    127,112.99x = 12,235,799,850.96
  5. Step 5: Solve for x
    x = 12,235,799,850.96/127,112.99
  6. Step 6: Final answer
    x = 96,259.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.