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Finding the Fourth Proportional to 186,063.78, 279,095.64 and 54,735.78

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Solution

The fourth proportional to 186,063.78, 279,095.64 and 54,735.78 is: 82,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,063.78 : 279,095.64 = 54,735.78 : x
  2. Step 2: Convert to fraction form
    186,063.78/279,095.64 = 54,735.78/x
  3. Step 3: Cross multiply
    186,063.78x = 279,095.64 × 54,735.78
  4. Step 4: Simplify right side
    186,063.78x = 15,276,517,550.00
  5. Step 5: Solve for x
    x = 15,276,517,550.00/186,063.78
  6. Step 6: Final answer
    x = 82,103.66

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1.5x scale

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.