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Finding the Fourth Proportional to 236,092.68, 325,803.60 and 128,663.64

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Solution

The fourth proportional to 236,092.68, 325,803.60 and 128,663.64 is: 177,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,092.68 : 325,803.60 = 128,663.64 : x
  2. Step 2: Convert to fraction form
    236,092.68/325,803.60 = 128,663.64/x
  3. Step 3: Cross multiply
    236,092.68x = 325,803.60 × 128,663.64
  4. Step 4: Simplify right side
    236,092.68x = 41,919,077,101.10
  5. Step 5: Solve for x
    x = 41,919,077,101.10/236,092.68
  6. Step 6: Final answer
    x = 177,553.48

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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.