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Finding the Fourth Proportional to 160,533.20, 240,799.80 and 118,542.80

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Solution

The fourth proportional to 160,533.20, 240,799.80 and 118,542.80 is: 177,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,533.20 : 240,799.80 = 118,542.80 : x
  2. Step 2: Convert to fraction form
    160,533.20/240,799.80 = 118,542.80/x
  3. Step 3: Cross multiply
    160,533.20x = 240,799.80 × 118,542.80
  4. Step 4: Simplify right side
    160,533.20x = 28,545,082,531.44
  5. Step 5: Solve for x
    x = 28,545,082,531.44/160,533.20
  6. Step 6: Final answer
    x = 177,814.20

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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.