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Finding the Fourth Proportional to 187,529.81, 258,791.96 and 101,488.81

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Solution

The fourth proportional to 187,529.81, 258,791.96 and 101,488.81 is: 140,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,529.81 : 258,791.96 = 101,488.81 : x
  2. Step 2: Convert to fraction form
    187,529.81/258,791.96 = 101,488.81/x
  3. Step 3: Cross multiply
    187,529.81x = 258,791.96 × 101,488.81
  4. Step 4: Simplify right side
    187,529.81x = 26,264,488,057.97
  5. Step 5: Solve for x
    x = 26,264,488,057.97/187,529.81
  6. Step 6: Final answer
    x = 140,055.00

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Why These Related Problems?

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