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Finding the Fourth Proportional to 362,073.66, 543,147.48 and 125,415.90

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Solution

The fourth proportional to 362,073.66, 543,147.48 and 125,415.90 is: 188,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,073.66 : 543,147.48 = 125,415.90 : x
  2. Step 2: Convert to fraction form
    362,073.66/543,147.48 = 125,415.90/x
  3. Step 3: Cross multiply
    362,073.66x = 543,147.48 × 125,415.90
  4. Step 4: Simplify right side
    362,073.66x = 68,119,330,036.93
  5. Step 5: Solve for x
    x = 68,119,330,036.93/362,073.66
  6. Step 6: Final answer
    x = 188,136.66

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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.