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Finding the Fourth Proportional to 187,536.91, 281,304.53 and 76,728.91

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Solution

The fourth proportional to 187,536.91, 281,304.53 and 76,728.91 is: 115,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536.91 : 281,304.53 = 76,728.91 : x
  2. Step 2: Convert to fraction form
    187,536.91/281,304.53 = 76,728.91/x
  3. Step 3: Cross multiply
    187,536.91x = 281,304.53 × 76,728.91
  4. Step 4: Simplify right side
    187,536.91x = 21,584,189,581.32
  5. Step 5: Solve for x
    x = 21,584,189,581.32/187,536.91
  6. Step 6: Final answer
    x = 115,093.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.