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Finding the Fourth Proportional to 186,627.34, 279,883.59 and 53,471.89

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Solution

The fourth proportional to 186,627.34, 279,883.59 and 53,471.89 is: 80,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627.34 : 279,883.59 = 53,471.89 : x
  2. Step 2: Convert to fraction form
    186,627.34/279,883.59 = 53,471.89/x
  3. Step 3: Cross multiply
    186,627.34x = 279,883.59 × 53,471.89
  4. Step 4: Simplify right side
    186,627.34x = 14,965,904,537.29
  5. Step 5: Solve for x
    x = 14,965,904,537.29/186,627.34
  6. Step 6: Final answer
    x = 80,191.38

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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.