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Finding the Fourth Proportional to 187,504.76, 281,451.54 and 125,607.80

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Solution

The fourth proportional to 187,504.76, 281,451.54 and 125,607.80 is: 188,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,504.76 : 281,451.54 = 125,607.80 : x
  2. Step 2: Convert to fraction form
    187,504.76/281,451.54 = 125,607.80/x
  3. Step 3: Cross multiply
    187,504.76x = 281,451.54 × 125,607.80
  4. Step 4: Simplify right side
    187,504.76x = 35,352,508,746.01
  5. Step 5: Solve for x
    x = 35,352,508,746.01/187,504.76
  6. Step 6: Final answer
    x = 188,541.93

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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.