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Finding the Fourth Proportional to 187,763.16, 259,123.53 and 107,216.56

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Solution

The fourth proportional to 187,763.16, 259,123.53 and 107,216.56 is: 147,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.16 : 259,123.53 = 107,216.56 : x
  2. Step 2: Convert to fraction form
    187,763.16/259,123.53 = 107,216.56/x
  3. Step 3: Cross multiply
    187,763.16x = 259,123.53 × 107,216.56
  4. Step 4: Simplify right side
    187,763.16x = 27,782,332,206.04
  5. Step 5: Solve for x
    x = 27,782,332,206.04/187,763.16
  6. Step 6: Final answer
    x = 147,964.77

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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.