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Finding the Fourth Proportional to 187,250.40, 258,260.40 and 111,719.52

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Solution

The fourth proportional to 187,250.40, 258,260.40 and 111,719.52 is: 154,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,250.40 : 258,260.40 = 111,719.52 : x
  2. Step 2: Convert to fraction form
    187,250.40/258,260.40 = 111,719.52/x
  3. Step 3: Cross multiply
    187,250.40x = 258,260.40 × 111,719.52
  4. Step 4: Simplify right side
    187,250.40x = 28,852,727,923.01
  5. Step 5: Solve for x
    x = 28,852,727,923.01/187,250.40
  6. Step 6: Final answer
    x = 154,086.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.