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Finding the Fourth Proportional to 362,030.43, 543,133.44 and 109,295.85

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Solution

The fourth proportional to 362,030.43, 543,133.44 and 109,295.85 is: 163,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,030.43 : 543,133.44 = 109,295.85 : x
  2. Step 2: Convert to fraction form
    362,030.43/543,133.44 = 109,295.85/x
  3. Step 3: Cross multiply
    362,030.43x = 543,133.44 × 109,295.85
  4. Step 4: Simplify right side
    362,030.43x = 59,362,230,988.22
  5. Step 5: Solve for x
    x = 59,362,230,988.22/362,030.43
  6. Step 6: Final answer
    x = 163,970.28

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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.