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Finding the Fourth Proportional to 214,980.67, 322,509.80 and 88,551.91

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Solution

The fourth proportional to 214,980.67, 322,509.80 and 88,551.91 is: 132,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,980.67 : 322,509.80 = 88,551.91 : x
  2. Step 2: Convert to fraction form
    214,980.67/322,509.80 = 88,551.91/x
  3. Step 3: Cross multiply
    214,980.67x = 322,509.80 × 88,551.91
  4. Step 4: Simplify right side
    214,980.67x = 28,558,858,783.72
  5. Step 5: Solve for x
    x = 28,558,858,783.72/214,980.67
  6. Step 6: Final answer
    x = 132,843.84

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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.