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Finding the Fourth Proportional to 186,066, 279,068.88 and 51,098.64

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Solution

The fourth proportional to 186,066, 279,068.88 and 51,098.64 is: 76,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,066 : 279,068.88 = 51,098.64 : x
  2. Step 2: Convert to fraction form
    186,066/279,068.88 = 51,098.64/x
  3. Step 3: Cross multiply
    186,066x = 279,068.88 × 51,098.64
  4. Step 4: Simplify right side
    186,066x = 14,260,040,234.32
  5. Step 5: Solve for x
    x = 14,260,040,234.32/186,066
  6. Step 6: Final answer
    x = 76,639.69

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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.