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Finding the Fourth Proportional to 187,606.66, 258,894.63 and 102,723.73

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Solution

The fourth proportional to 187,606.66, 258,894.63 and 102,723.73 is: 141,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,606.66 : 258,894.63 = 102,723.73 : x
  2. Step 2: Convert to fraction form
    187,606.66/258,894.63 = 102,723.73/x
  3. Step 3: Cross multiply
    187,606.66x = 258,894.63 × 102,723.73
  4. Step 4: Simplify right side
    187,606.66x = 26,594,622,070.57
  5. Step 5: Solve for x
    x = 26,594,622,070.57/187,606.66
  6. Step 6: Final answer
    x = 141,757.35

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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.