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Finding the Fourth Proportional to 267,112.45, 400,665.27 and 107,259.13

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Solution

The fourth proportional to 267,112.45, 400,665.27 and 107,259.13 is: 160,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,112.45 : 400,665.27 = 107,259.13 : x
  2. Step 2: Convert to fraction form
    267,112.45/400,665.27 = 107,259.13/x
  3. Step 3: Cross multiply
    267,112.45x = 400,665.27 × 107,259.13
  4. Step 4: Simplify right side
    267,112.45x = 42,975,006,278.09
  5. Step 5: Solve for x
    x = 42,975,006,278.09/267,112.45
  6. Step 6: Final answer
    x = 160,887.32

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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.