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Finding the Fourth Proportional to 118,215.62, 177,323.62 and 39,330.52

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Solution

The fourth proportional to 118,215.62, 177,323.62 and 39,330.52 is: 58,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,215.62 : 177,323.62 = 39,330.52 : x
  2. Step 2: Convert to fraction form
    118,215.62/177,323.62 = 39,330.52/x
  3. Step 3: Cross multiply
    118,215.62x = 177,323.62 × 39,330.52
  4. Step 4: Simplify right side
    118,215.62x = 6,974,230,182.88
  5. Step 5: Solve for x
    x = 6,974,230,182.88/118,215.62
  6. Step 6: Final answer
    x = 58,995.84

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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.