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Finding the Fourth Proportional to 118,158.36, 176,821.20 and 73,806

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Solution

The fourth proportional to 118,158.36, 176,821.20 and 73,806 is: 110,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,158.36 : 176,821.20 = 73,806 : x
  2. Step 2: Convert to fraction form
    118,158.36/176,821.20 = 73,806/x
  3. Step 3: Cross multiply
    118,158.36x = 176,821.20 × 73,806
  4. Step 4: Simplify right side
    118,158.36x = 13,050,465,487.20
  5. Step 5: Solve for x
    x = 13,050,465,487.20/118,158.36
  6. Step 6: Final answer
    x = 110,448.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.