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Finding the Fourth Proportional to 125,270.56, 187,816.56 and 58,674.16

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Solution

The fourth proportional to 125,270.56, 187,816.56 and 58,674.16 is: 87,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,270.56 : 187,816.56 = 58,674.16 : x
  2. Step 2: Convert to fraction form
    125,270.56/187,816.56 = 58,674.16/x
  3. Step 3: Cross multiply
    125,270.56x = 187,816.56 × 58,674.16
  4. Step 4: Simplify right side
    125,270.56x = 11,019,978,892.09
  5. Step 5: Solve for x
    x = 11,019,978,892.09/125,270.56
  6. Step 6: Final answer
    x = 87,969.42

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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.