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Finding the Fourth Proportional to 89,762.56, 134,383.02 and 52,208.08

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Solution

The fourth proportional to 89,762.56, 134,383.02 and 52,208.08 is: 78,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,762.56 : 134,383.02 = 52,208.08 : x
  2. Step 2: Convert to fraction form
    89,762.56/134,383.02 = 52,208.08/x
  3. Step 3: Cross multiply
    89,762.56x = 134,383.02 × 52,208.08
  4. Step 4: Simplify right side
    89,762.56x = 7,015,879,458.80
  5. Step 5: Solve for x
    x = 7,015,879,458.80/89,762.56
  6. Step 6: Final answer
    x = 78,160.42

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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.