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Finding the Fourth Proportional to 236,372.48, 326,186.88 and 128,944.16

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Solution

The fourth proportional to 236,372.48, 326,186.88 and 128,944.16 is: 177,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,372.48 : 326,186.88 = 128,944.16 : x
  2. Step 2: Convert to fraction form
    236,372.48/326,186.88 = 128,944.16/x
  3. Step 3: Cross multiply
    236,372.48x = 326,186.88 × 128,944.16
  4. Step 4: Simplify right side
    236,372.48x = 42,059,893,244.62
  5. Step 5: Solve for x
    x = 42,059,893,244.62/236,372.48
  6. Step 6: Final answer
    x = 177,939.04

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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.