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Finding the Fourth Proportional to 471,040.86, 706,545.09 and 134,083.56

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Solution

The fourth proportional to 471,040.86, 706,545.09 and 134,083.56 is: 201,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,040.86 : 706,545.09 = 134,083.56 : x
  2. Step 2: Convert to fraction form
    471,040.86/706,545.09 = 134,083.56/x
  3. Step 3: Cross multiply
    471,040.86x = 706,545.09 × 134,083.56
  4. Step 4: Simplify right side
    471,040.86x = 94,736,080,967.72
  5. Step 5: Solve for x
    x = 94,736,080,967.72/471,040.86
  6. Step 6: Final answer
    x = 201,120.73

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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.