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Finding the Fourth Proportional to 118,535.80, 177,829.30 and 35,438.20

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Solution

The fourth proportional to 118,535.80, 177,829.30 and 35,438.20 is: 53,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,535.80 : 177,829.30 = 35,438.20 : x
  2. Step 2: Convert to fraction form
    118,535.80/177,829.30 = 35,438.20/x
  3. Step 3: Cross multiply
    118,535.80x = 177,829.30 × 35,438.20
  4. Step 4: Simplify right side
    118,535.80x = 6,301,950,299.26
  5. Step 5: Solve for x
    x = 6,301,950,299.26/118,535.80
  6. Step 6: Final answer
    x = 53,164.95

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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.