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Finding the Fourth Proportional to 186,299.36, 279,563.52 and 73,959.92

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Solution

The fourth proportional to 186,299.36, 279,563.52 and 73,959.92 is: 110,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,299.36 : 279,563.52 = 73,959.92 : x
  2. Step 2: Convert to fraction form
    186,299.36/279,563.52 = 73,959.92/x
  3. Step 3: Cross multiply
    186,299.36x = 279,563.52 × 73,959.92
  4. Step 4: Simplify right side
    186,299.36x = 20,676,495,574.12
  5. Step 5: Solve for x
    x = 20,676,495,574.12/186,299.36
  6. Step 6: Final answer
    x = 110,985.33

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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.