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Finding the Fourth Proportional to 118,359.70, 177,453.15 and 48,202.90

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Solution

The fourth proportional to 118,359.70, 177,453.15 and 48,202.90 is: 72,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,359.70 : 177,453.15 = 48,202.90 : x
  2. Step 2: Convert to fraction form
    118,359.70/177,453.15 = 48,202.90/x
  3. Step 3: Cross multiply
    118,359.70x = 177,453.15 × 48,202.90
  4. Step 4: Simplify right side
    118,359.70x = 8,553,756,444.14
  5. Step 5: Solve for x
    x = 8,553,756,444.14/118,359.70
  6. Step 6: Final answer
    x = 72,269.16

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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.