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Finding the Fourth Proportional to 362,003.81, 543,007.56 and 148,887.95

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Solution

The fourth proportional to 362,003.81, 543,007.56 and 148,887.95 is: 223,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003.81 : 543,007.56 = 148,887.95 : x
  2. Step 2: Convert to fraction form
    362,003.81/543,007.56 = 148,887.95/x
  3. Step 3: Cross multiply
    362,003.81x = 543,007.56 × 148,887.95
  4. Step 4: Simplify right side
    362,003.81x = 80,847,282,442.90
  5. Step 5: Solve for x
    x = 80,847,282,442.90/362,003.81
  6. Step 6: Final answer
    x = 223,332.68

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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.