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Finding the Fourth Proportional to 125,303.15, 187,961.11 and 36,563.40

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Solution

The fourth proportional to 125,303.15, 187,961.11 and 36,563.40 is: 54,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303.15 : 187,961.11 = 36,563.40 : x
  2. Step 2: Convert to fraction form
    125,303.15/187,961.11 = 36,563.40/x
  3. Step 3: Cross multiply
    125,303.15x = 187,961.11 × 36,563.40
  4. Step 4: Simplify right side
    125,303.15x = 6,872,497,157.97
  5. Step 5: Solve for x
    x = 6,872,497,157.97/125,303.15
  6. Step 6: Final answer
    x = 54,846.96

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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.