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Finding the Fourth Proportional to 362,178.60, 543,265.20 and 109,458.60

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Solution

The fourth proportional to 362,178.60, 543,265.20 and 109,458.60 is: 164,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,178.60 : 543,265.20 = 109,458.60 : x
  2. Step 2: Convert to fraction form
    362,178.60/543,265.20 = 109,458.60/x
  3. Step 3: Cross multiply
    362,178.60x = 543,265.20 × 109,458.60
  4. Step 4: Simplify right side
    362,178.60x = 59,465,048,220.72
  5. Step 5: Solve for x
    x = 59,465,048,220.72/362,178.60
  6. Step 6: Final answer
    x = 164,187.08

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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.