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Finding the Fourth Proportional to 186,552.41, 279,788.72 and 53,396.91

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Solution

The fourth proportional to 186,552.41, 279,788.72 and 53,396.91 is: 80,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,552.41 : 279,788.72 = 53,396.91 : x
  2. Step 2: Convert to fraction form
    186,552.41/279,788.72 = 53,396.91/x
  3. Step 3: Cross multiply
    186,552.41x = 279,788.72 × 53,396.91
  4. Step 4: Simplify right side
    186,552.41x = 14,939,852,833.87
  5. Step 5: Solve for x
    x = 14,939,852,833.87/186,552.41
  6. Step 6: Final answer
    x = 80,083.95

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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.