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Finding the Fourth Proportional to 125,300.80, 187,981.98 and 36,555.22

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Solution

The fourth proportional to 125,300.80, 187,981.98 and 36,555.22 is: 54,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,300.80 : 187,981.98 = 36,555.22 : x
  2. Step 2: Convert to fraction form
    125,300.80/187,981.98 = 36,555.22/x
  3. Step 3: Cross multiply
    125,300.80x = 187,981.98 × 36,555.22
  4. Step 4: Simplify right side
    125,300.80x = 6,871,722,634.94
  5. Step 5: Solve for x
    x = 6,871,722,634.94/125,300.80
  6. Step 6: Final answer
    x = 54,841.81

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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.