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Finding the Fourth Proportional to 247,548.96, 370,990.83 and 135,060.61

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Solution

The fourth proportional to 247,548.96, 370,990.83 and 135,060.61 is: 202,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,548.96 : 370,990.83 = 135,060.61 : x
  2. Step 2: Convert to fraction form
    247,548.96/370,990.83 = 135,060.61/x
  3. Step 3: Cross multiply
    247,548.96x = 370,990.83 × 135,060.61
  4. Step 4: Simplify right side
    247,548.96x = 50,106,247,804.21
  5. Step 5: Solve for x
    x = 50,106,247,804.21/247,548.96
  6. Step 6: Final answer
    x = 202,409.45

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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.