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Finding the Fourth Proportional to 270,419.15, 373,163.31 and 147,887.33

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Solution

The fourth proportional to 270,419.15, 373,163.31 and 147,887.33 is: 204,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,419.15 : 373,163.31 = 147,887.33 : x
  2. Step 2: Convert to fraction form
    270,419.15/373,163.31 = 147,887.33/x
  3. Step 3: Cross multiply
    270,419.15x = 373,163.31 × 147,887.33
  4. Step 4: Simplify right side
    270,419.15x = 55,186,125,569.86
  5. Step 5: Solve for x
    x = 55,186,125,569.86/270,419.15
  6. Step 6: Final answer
    x = 204,076.25

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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.