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Finding the Fourth Proportional to 88,383.96, 121,827.96 and 59,694.40

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Solution

The fourth proportional to 88,383.96, 121,827.96 and 59,694.40 is: 82,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,383.96 : 121,827.96 = 59,694.40 : x
  2. Step 2: Convert to fraction form
    88,383.96/121,827.96 = 59,694.40/x
  3. Step 3: Cross multiply
    88,383.96x = 121,827.96 × 59,694.40
  4. Step 4: Simplify right side
    88,383.96x = 7,272,446,975.42
  5. Step 5: Solve for x
    x = 7,272,446,975.42/88,383.96
  6. Step 6: Final answer
    x = 82,282.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.