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Finding the Fourth Proportional to 471,018.15, 706,535.33 and 134,067.47

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Solution

The fourth proportional to 471,018.15, 706,535.33 and 134,067.47 is: 201,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,018.15 : 706,535.33 = 134,067.47 : x
  2. Step 2: Convert to fraction form
    471,018.15/706,535.33 = 134,067.47/x
  3. Step 3: Cross multiply
    471,018.15x = 706,535.33 × 134,067.47
  4. Step 4: Simplify right side
    471,018.15x = 94,723,399,955.70
  5. Step 5: Solve for x
    x = 94,723,399,955.70/471,018.15
  6. Step 6: Final answer
    x = 201,103.50

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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.