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Finding the Fourth Proportional to 192,382.74, 265,487.63 and 107,499.87

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Solution

The fourth proportional to 192,382.74, 265,487.63 and 107,499.87 is: 148,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,382.74 : 265,487.63 = 107,499.87 : x
  2. Step 2: Convert to fraction form
    192,382.74/265,487.63 = 107,499.87/x
  3. Step 3: Cross multiply
    192,382.74x = 265,487.63 × 107,499.87
  4. Step 4: Simplify right side
    192,382.74x = 28,539,885,174.11
  5. Step 5: Solve for x
    x = 28,539,885,174.11/192,382.74
  6. Step 6: Final answer
    x = 148,349.51

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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.