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Finding the Fourth Proportional to 186,369, 279,597.24 and 61,710

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Solution

The fourth proportional to 186,369, 279,597.24 and 61,710 is: 92,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,369 : 279,597.24 = 61,710 : x
  2. Step 2: Convert to fraction form
    186,369/279,597.24 = 61,710/x
  3. Step 3: Cross multiply
    186,369x = 279,597.24 × 61,710
  4. Step 4: Simplify right side
    186,369x = 17,253,945,680.40
  5. Step 5: Solve for x
    x = 17,253,945,680.40/186,369
  6. Step 6: Final answer
    x = 92,579.48

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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.