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Finding the Fourth Proportional to 186,027.86, 279,042.88 and 45,785.54

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Solution

The fourth proportional to 186,027.86, 279,042.88 and 45,785.54 is: 68,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,027.86 : 279,042.88 = 45,785.54 : x
  2. Step 2: Convert to fraction form
    186,027.86/279,042.88 = 45,785.54/x
  3. Step 3: Cross multiply
    186,027.86x = 279,042.88 × 45,785.54
  4. Step 4: Simplify right side
    186,027.86x = 12,776,128,943.96
  5. Step 5: Solve for x
    x = 12,776,128,943.96/186,027.86
  6. Step 6: Final answer
    x = 68,678.58

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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.