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Finding the Fourth Proportional to 250,189.25, 344,917.95 and 158,262.80

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Solution

The fourth proportional to 250,189.25, 344,917.95 and 158,262.80 is: 218,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,189.25 : 344,917.95 = 158,262.80 : x
  2. Step 2: Convert to fraction form
    250,189.25/344,917.95 = 158,262.80/x
  3. Step 3: Cross multiply
    250,189.25x = 344,917.95 × 158,262.80
  4. Step 4: Simplify right side
    250,189.25x = 54,587,678,812.67
  5. Step 5: Solve for x
    x = 54,587,678,812.67/250,189.25
  6. Step 6: Final answer
    x = 218,185.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.