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Finding the Fourth Proportional to 125,299.80, 187,980.48 and 36,554.22

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Solution

The fourth proportional to 125,299.80, 187,980.48 and 36,554.22 is: 54,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,299.80 : 187,980.48 = 36,554.22 : x
  2. Step 2: Convert to fraction form
    125,299.80/187,980.48 = 36,554.22/x
  3. Step 3: Cross multiply
    125,299.80x = 187,980.48 × 36,554.22
  4. Step 4: Simplify right side
    125,299.80x = 6,871,479,821.63
  5. Step 5: Solve for x
    x = 6,871,479,821.63/125,299.80
  6. Step 6: Final answer
    x = 54,840.31

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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.