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Finding the Fourth Proportional to 186,524.56, 279,704.54 and 53,374.51

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Solution

The fourth proportional to 186,524.56, 279,704.54 and 53,374.51 is: 80,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,524.56 : 279,704.54 = 53,374.51 : x
  2. Step 2: Convert to fraction form
    186,524.56/279,704.54 = 53,374.51/x
  3. Step 3: Cross multiply
    186,524.56x = 279,704.54 × 53,374.51
  4. Step 4: Simplify right side
    186,524.56x = 14,929,092,500.40
  5. Step 5: Solve for x
    x = 14,929,092,500.40/186,524.56
  6. Step 6: Final answer
    x = 80,038.21

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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.