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Finding the Fourth Proportional to 187,754.47, 281,629.26 and 45,600.91

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Solution

The fourth proportional to 187,754.47, 281,629.26 and 45,600.91 is: 68,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,754.47 : 281,629.26 = 45,600.91 : x
  2. Step 2: Convert to fraction form
    187,754.47/281,629.26 = 45,600.91/x
  3. Step 3: Cross multiply
    187,754.47x = 281,629.26 × 45,600.91
  4. Step 4: Simplify right side
    187,754.47x = 12,842,550,538.63
  5. Step 5: Solve for x
    x = 12,842,550,538.63/187,754.47
  6. Step 6: Final answer
    x = 68,400.77

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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.