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Finding the Fourth Proportional to 88,593.49, 131,902 and 87,352.57

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Solution

The fourth proportional to 88,593.49, 131,902 and 87,352.57 is: 130,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593.49 : 131,902 = 87,352.57 : x
  2. Step 2: Convert to fraction form
    88,593.49/131,902 = 87,352.57/x
  3. Step 3: Cross multiply
    88,593.49x = 131,902 × 87,352.57
  4. Step 4: Simplify right side
    88,593.49x = 11,521,978,688.14
  5. Step 5: Solve for x
    x = 11,521,978,688.14/88,593.49
  6. Step 6: Final answer
    x = 130,054.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.