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Finding the Fourth Proportional to 125,274.77, 187,892.15 and 36,507.51

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Solution

The fourth proportional to 125,274.77, 187,892.15 and 36,507.51 is: 54,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,274.77 : 187,892.15 = 36,507.51 : x
  2. Step 2: Convert to fraction form
    125,274.77/187,892.15 = 36,507.51/x
  3. Step 3: Cross multiply
    125,274.77x = 187,892.15 × 36,507.51
  4. Step 4: Simplify right side
    125,274.77x = 6,859,475,409.36
  5. Step 5: Solve for x
    x = 6,859,475,409.36/125,274.77
  6. Step 6: Final answer
    x = 54,755.44

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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.