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Finding the Fourth Proportional to 185,563.90, 278,329.65 and 60,904.90

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Solution

The fourth proportional to 185,563.90, 278,329.65 and 60,904.90 is: 91,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,563.90 : 278,329.65 = 60,904.90 : x
  2. Step 2: Convert to fraction form
    185,563.90/278,329.65 = 60,904.90/x
  3. Step 3: Cross multiply
    185,563.90x = 278,329.65 × 60,904.90
  4. Step 4: Simplify right side
    185,563.90x = 16,951,639,500.29
  5. Step 5: Solve for x
    x = 16,951,639,500.29/185,563.90
  6. Step 6: Final answer
    x = 91,352.03

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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.