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Finding the Fourth Proportional to 186,625.64, 279,938.46 and 61,966.64

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Solution

The fourth proportional to 186,625.64, 279,938.46 and 61,966.64 is: 92,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625.64 : 279,938.46 = 61,966.64 : x
  2. Step 2: Convert to fraction form
    186,625.64/279,938.46 = 61,966.64/x
  3. Step 3: Cross multiply
    186,625.64x = 279,938.46 × 61,966.64
  4. Step 4: Simplify right side
    186,625.64x = 17,346,845,772.97
  5. Step 5: Solve for x
    x = 17,346,845,772.97/186,625.64
  6. Step 6: Final answer
    x = 92,949.96

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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.