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Finding the Fourth Proportional to 187,562.67, 258,835.95 and 102,679.13

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Solution

The fourth proportional to 187,562.67, 258,835.95 and 102,679.13 is: 141,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,562.67 : 258,835.95 = 102,679.13 : x
  2. Step 2: Convert to fraction form
    187,562.67/258,835.95 = 102,679.13/x
  3. Step 3: Cross multiply
    187,562.67x = 258,835.95 × 102,679.13
  4. Step 4: Simplify right side
    187,562.67x = 26,577,048,864.54
  5. Step 5: Solve for x
    x = 26,577,048,864.54/187,562.67
  6. Step 6: Final answer
    x = 141,696.90

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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.