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Finding the Fourth Proportional to 90,246.50, 135,369.75 and 24,582.50

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Solution

The fourth proportional to 90,246.50, 135,369.75 and 24,582.50 is: 36,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,246.50 : 135,369.75 = 24,582.50 : x
  2. Step 2: Convert to fraction form
    90,246.50/135,369.75 = 24,582.50/x
  3. Step 3: Cross multiply
    90,246.50x = 135,369.75 × 24,582.50
  4. Step 4: Simplify right side
    90,246.50x = 3,327,726,879.38
  5. Step 5: Solve for x
    x = 3,327,726,879.38/90,246.50
  6. Step 6: Final answer
    x = 36,873.75

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1.5x scale

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.