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Finding the Fourth Proportional to 199,506.60, 275,323.86 and 113,479.56

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Solution

The fourth proportional to 199,506.60, 275,323.86 and 113,479.56 is: 156,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,506.60 : 275,323.86 = 113,479.56 : x
  2. Step 2: Convert to fraction form
    199,506.60/275,323.86 = 113,479.56/x
  3. Step 3: Cross multiply
    199,506.60x = 275,323.86 × 113,479.56
  4. Step 4: Simplify right side
    199,506.60x = 31,243,630,490.30
  5. Step 5: Solve for x
    x = 31,243,630,490.30/199,506.60
  6. Step 6: Final answer
    x = 156,604.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.