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Finding the Fourth Proportional to 215,032.56, 322,548.48 and 88,743.84

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Solution

The fourth proportional to 215,032.56, 322,548.48 and 88,743.84 is: 133,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,032.56 : 322,548.48 = 88,743.84 : x
  2. Step 2: Convert to fraction form
    215,032.56/322,548.48 = 88,743.84/x
  3. Step 3: Cross multiply
    215,032.56x = 322,548.48 × 88,743.84
  4. Step 4: Simplify right side
    215,032.56x = 28,624,190,701.36
  5. Step 5: Solve for x
    x = 28,624,190,701.36/215,032.56
  6. Step 6: Final answer
    x = 133,115.61

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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.