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Finding the Fourth Proportional to 88,735.36, 133,058.64 and 29,550.40

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Solution

The fourth proportional to 88,735.36, 133,058.64 and 29,550.40 is: 44,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,735.36 : 133,058.64 = 29,550.40 : x
  2. Step 2: Convert to fraction form
    88,735.36/133,058.64 = 29,550.40/x
  3. Step 3: Cross multiply
    88,735.36x = 133,058.64 × 29,550.40
  4. Step 4: Simplify right side
    88,735.36x = 3,931,936,035.46
  5. Step 5: Solve for x
    x = 3,931,936,035.46/88,735.36
  6. Step 6: Final answer
    x = 44,310.81

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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.