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Finding the Fourth Proportional to 238,593.60, 329,262.60 and 131,173.56

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Solution

The fourth proportional to 238,593.60, 329,262.60 and 131,173.56 is: 181,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,593.60 : 329,262.60 = 131,173.56 : x
  2. Step 2: Convert to fraction form
    238,593.60/329,262.60 = 131,173.56/x
  3. Step 3: Cross multiply
    238,593.60x = 329,262.60 × 131,173.56
  4. Step 4: Simplify right side
    238,593.60x = 43,190,547,416.86
  5. Step 5: Solve for x
    x = 43,190,547,416.86/238,593.60
  6. Step 6: Final answer
    x = 181,021.40

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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.