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Finding the Fourth Proportional to 187,480.71, 258,722.37 and 102,597.57

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Solution

The fourth proportional to 187,480.71, 258,722.37 and 102,597.57 is: 141,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,480.71 : 258,722.37 = 102,597.57 : x
  2. Step 2: Convert to fraction form
    187,480.71/258,722.37 = 102,597.57/x
  3. Step 3: Cross multiply
    187,480.71x = 258,722.37 × 102,597.57
  4. Step 4: Simplify right side
    187,480.71x = 26,544,286,466.64
  5. Step 5: Solve for x
    x = 26,544,286,466.64/187,480.71
  6. Step 6: Final answer
    x = 141,584.09

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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.