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Finding the Fourth Proportional to 186,608.32, 279,995.12 and 97,840.64

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Solution

The fourth proportional to 186,608.32, 279,995.12 and 97,840.64 is: 146,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,608.32 : 279,995.12 = 97,840.64 : x
  2. Step 2: Convert to fraction form
    186,608.32/279,995.12 = 97,840.64/x
  3. Step 3: Cross multiply
    186,608.32x = 279,995.12 × 97,840.64
  4. Step 4: Simplify right side
    186,608.32x = 27,394,901,737.68
  5. Step 5: Solve for x
    x = 27,394,901,737.68/186,608.32
  6. Step 6: Final answer
    x = 146,804.29

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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.