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Finding the Fourth Proportional to 186,007.29, 279,125.15 and 147,830.73

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Solution

The fourth proportional to 186,007.29, 279,125.15 and 147,830.73 is: 221,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,007.29 : 279,125.15 = 147,830.73 : x
  2. Step 2: Convert to fraction form
    186,007.29/279,125.15 = 147,830.73/x
  3. Step 3: Cross multiply
    186,007.29x = 279,125.15 × 147,830.73
  4. Step 4: Simplify right side
    186,007.29x = 41,263,274,685.86
  5. Step 5: Solve for x
    x = 41,263,274,685.86/186,007.29
  6. Step 6: Final answer
    x = 221,836.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.