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Finding the Fourth Proportional to 230,112.75, 345,173.45 and 63,905.07

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Solution

The fourth proportional to 230,112.75, 345,173.45 and 63,905.07 is: 95,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,112.75 : 345,173.45 = 63,905.07 : x
  2. Step 2: Convert to fraction form
    230,112.75/345,173.45 = 63,905.07/x
  3. Step 3: Cross multiply
    230,112.75x = 345,173.45 × 63,905.07
  4. Step 4: Simplify right side
    230,112.75x = 22,058,333,164.87
  5. Step 5: Solve for x
    x = 22,058,333,164.87/230,112.75
  6. Step 6: Final answer
    x = 95,858.80

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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.