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Finding the Fourth Proportional to 187,763.44, 281,645.58 and 45,608.08

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Solution

The fourth proportional to 187,763.44, 281,645.58 and 45,608.08 is: 68,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.44 : 281,645.58 = 45,608.08 : x
  2. Step 2: Convert to fraction form
    187,763.44/281,645.58 = 45,608.08/x
  3. Step 3: Cross multiply
    187,763.44x = 281,645.58 × 45,608.08
  4. Step 4: Simplify right side
    187,763.44x = 12,845,314,144.29
  5. Step 5: Solve for x
    x = 12,845,314,144.29/187,763.44
  6. Step 6: Final answer
    x = 68,412.22

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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.