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Finding the Fourth Proportional to 247,213.56, 370,600.43 and 89,406.93

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Solution

The fourth proportional to 247,213.56, 370,600.43 and 89,406.93 is: 134,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.56 : 370,600.43 = 89,406.93 : x
  2. Step 2: Convert to fraction form
    247,213.56/370,600.43 = 89,406.93/x
  3. Step 3: Cross multiply
    247,213.56x = 370,600.43 × 89,406.93
  4. Step 4: Simplify right side
    247,213.56x = 33,134,246,702.98
  5. Step 5: Solve for x
    x = 33,134,246,702.98/247,213.56
  6. Step 6: Final answer
    x = 134,030.86

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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.