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Finding the Fourth Proportional to 192,372.52, 265,469.10 and 107,490.28

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Solution

The fourth proportional to 192,372.52, 265,469.10 and 107,490.28 is: 148,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,372.52 : 265,469.10 = 107,490.28 : x
  2. Step 2: Convert to fraction form
    192,372.52/265,469.10 = 107,490.28/x
  3. Step 3: Cross multiply
    192,372.52x = 265,469.10 × 107,490.28
  4. Step 4: Simplify right side
    192,372.52x = 28,535,347,890.35
  5. Step 5: Solve for x
    x = 28,535,347,890.35/192,372.52
  6. Step 6: Final answer
    x = 148,333.81

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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.