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Finding the Fourth Proportional to 186,351, 279,570.24 and 61,692

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Solution

The fourth proportional to 186,351, 279,570.24 and 61,692 is: 92,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351 : 279,570.24 = 61,692 : x
  2. Step 2: Convert to fraction form
    186,351/279,570.24 = 61,692/x
  3. Step 3: Cross multiply
    186,351x = 279,570.24 × 61,692
  4. Step 4: Simplify right side
    186,351x = 17,247,247,246.08
  5. Step 5: Solve for x
    x = 17,247,247,246.08/186,351
  6. Step 6: Final answer
    x = 92,552.48

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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.