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Finding the Fourth Proportional to 186,773.54, 257,748.09 and 101,892.38

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Solution

The fourth proportional to 186,773.54, 257,748.09 and 101,892.38 is: 140,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,773.54 : 257,748.09 = 101,892.38 : x
  2. Step 2: Convert to fraction form
    186,773.54/257,748.09 = 101,892.38/x
  3. Step 3: Cross multiply
    186,773.54x = 257,748.09 × 101,892.38
  4. Step 4: Simplify right side
    186,773.54x = 26,262,566,330.55
  5. Step 5: Solve for x
    x = 26,262,566,330.55/186,773.54
  6. Step 6: Final answer
    x = 140,611.81

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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.