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Finding the Fourth Proportional to 89,787.94, 134,681.02 and 34,383.94

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Solution

The fourth proportional to 89,787.94, 134,681.02 and 34,383.94 is: 51,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,787.94 : 134,681.02 = 34,383.94 : x
  2. Step 2: Convert to fraction form
    89,787.94/134,681.02 = 34,383.94/x
  3. Step 3: Cross multiply
    89,787.94x = 134,681.02 × 34,383.94
  4. Step 4: Simplify right side
    89,787.94x = 4,630,864,110.82
  5. Step 5: Solve for x
    x = 4,630,864,110.82/89,787.94
  6. Step 6: Final answer
    x = 51,575.57

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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.