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Finding the Fourth Proportional to 187,610.69, 258,903.17 and 101,570.58

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Solution

The fourth proportional to 187,610.69, 258,903.17 and 101,570.58 is: 140,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.69 : 258,903.17 = 101,570.58 : x
  2. Step 2: Convert to fraction form
    187,610.69/258,903.17 = 101,570.58/x
  3. Step 3: Cross multiply
    187,610.69x = 258,903.17 × 101,570.58
  4. Step 4: Simplify right side
    187,610.69x = 26,296,945,140.74
  5. Step 5: Solve for x
    x = 26,296,945,140.74/187,610.69
  6. Step 6: Final answer
    x = 140,167.63

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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.