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Finding the Fourth Proportional to 186,625.52, 279,938.28 and 61,966.52

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Solution

The fourth proportional to 186,625.52, 279,938.28 and 61,966.52 is: 92,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625.52 : 279,938.28 = 61,966.52 : x
  2. Step 2: Convert to fraction form
    186,625.52/279,938.28 = 61,966.52/x
  3. Step 3: Cross multiply
    186,625.52x = 279,938.28 × 61,966.52
  4. Step 4: Simplify right side
    186,625.52x = 17,346,799,626.69
  5. Step 5: Solve for x
    x = 17,346,799,626.69/186,625.52
  6. Step 6: Final answer
    x = 92,949.77

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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.