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Finding the Fourth Proportional to 299,190.51, 412,861.66 and 168,387.26

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Solution

The fourth proportional to 299,190.51, 412,861.66 and 168,387.26 is: 232,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,190.51 : 412,861.66 = 168,387.26 : x
  2. Step 2: Convert to fraction form
    299,190.51/412,861.66 = 168,387.26/x
  3. Step 3: Cross multiply
    299,190.51x = 412,861.66 × 168,387.26
  4. Step 4: Simplify right side
    299,190.51x = 69,520,641,201.18
  5. Step 5: Solve for x
    x = 69,520,641,201.18/299,190.51
  6. Step 6: Final answer
    x = 232,362.45

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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.