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Finding the Fourth Proportional to 118,225.92, 177,368.58 and 33,986.23

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Solution

The fourth proportional to 118,225.92, 177,368.58 and 33,986.23 is: 50,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,225.92 : 177,368.58 = 33,986.23 : x
  2. Step 2: Convert to fraction form
    118,225.92/177,368.58 = 33,986.23/x
  3. Step 3: Cross multiply
    118,225.92x = 177,368.58 × 33,986.23
  4. Step 4: Simplify right side
    118,225.92x = 6,028,090,198.18
  5. Step 5: Solve for x
    x = 6,028,090,198.18/118,225.92
  6. Step 6: Final answer
    x = 50,987.89

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1.5x scale

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.