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Finding the Fourth Proportional to 237,536.98, 327,800.53 and 128,640.97

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Solution

The fourth proportional to 237,536.98, 327,800.53 and 128,640.97 is: 177,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,536.98 : 327,800.53 = 128,640.97 : x
  2. Step 2: Convert to fraction form
    237,536.98/327,800.53 = 128,640.97/x
  3. Step 3: Cross multiply
    237,536.98x = 327,800.53 × 128,640.97
  4. Step 4: Simplify right side
    237,536.98x = 42,168,577,004.61
  5. Step 5: Solve for x
    x = 42,168,577,004.61/237,536.98
  6. Step 6: Final answer
    x = 177,524.26

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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.