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Finding the Fourth Proportional to 187,232.69, 258,379.80 and 102,349.96

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Solution

The fourth proportional to 187,232.69, 258,379.80 and 102,349.96 is: 141,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,232.69 : 258,379.80 = 102,349.96 : x
  2. Step 2: Convert to fraction form
    187,232.69/258,379.80 = 102,349.96/x
  3. Step 3: Cross multiply
    187,232.69x = 258,379.80 × 102,349.96
  4. Step 4: Simplify right side
    187,232.69x = 26,445,162,194.81
  5. Step 5: Solve for x
    x = 26,445,162,194.81/187,232.69
  6. Step 6: Final answer
    x = 141,242.23

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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.