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Finding the Fourth Proportional to 186,370.50, 279,599.49 and 61,711.50

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Solution

The fourth proportional to 186,370.50, 279,599.49 and 61,711.50 is: 92,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,370.50 : 279,599.49 = 61,711.50 : x
  2. Step 2: Convert to fraction form
    186,370.50/279,599.49 = 61,711.50/x
  3. Step 3: Cross multiply
    186,370.50x = 279,599.49 × 61,711.50
  4. Step 4: Simplify right side
    186,370.50x = 17,254,503,927.14
  5. Step 5: Solve for x
    x = 17,254,503,927.14/186,370.50
  6. Step 6: Final answer
    x = 92,581.73

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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.