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Finding the Fourth Proportional to 214,737.16, 322,040.94 and 90,050.44

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Solution

The fourth proportional to 214,737.16, 322,040.94 and 90,050.44 is: 135,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,737.16 : 322,040.94 = 90,050.44 : x
  2. Step 2: Convert to fraction form
    214,737.16/322,040.94 = 90,050.44/x
  3. Step 3: Cross multiply
    214,737.16x = 322,040.94 × 90,050.44
  4. Step 4: Simplify right side
    214,737.16x = 28,999,928,345.01
  5. Step 5: Solve for x
    x = 28,999,928,345.01/214,737.16
  6. Step 6: Final answer
    x = 135,048.49

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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.