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Finding the Fourth Proportional to 118,360.89, 177,435.81 and 43,463.88

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Solution

The fourth proportional to 118,360.89, 177,435.81 and 43,463.88 is: 65,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,360.89 : 177,435.81 = 43,463.88 : x
  2. Step 2: Convert to fraction form
    118,360.89/177,435.81 = 43,463.88/x
  3. Step 3: Cross multiply
    118,360.89x = 177,435.81 × 43,463.88
  4. Step 4: Simplify right side
    118,360.89x = 7,712,048,753.54
  5. Step 5: Solve for x
    x = 7,712,048,753.54/118,360.89
  6. Step 6: Final answer
    x = 65,157.07

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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.