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Finding the Fourth Proportional to 89,156, 133,740.48 and 33,752

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Solution

The fourth proportional to 89,156, 133,740.48 and 33,752 is: 50,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,156 : 133,740.48 = 33,752 : x
  2. Step 2: Convert to fraction form
    89,156/133,740.48 = 33,752/x
  3. Step 3: Cross multiply
    89,156x = 133,740.48 × 33,752
  4. Step 4: Simplify right side
    89,156x = 4,514,008,680.96
  5. Step 5: Solve for x
    x = 4,514,008,680.96/89,156
  6. Step 6: Final answer
    x = 50,630.45

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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.