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Finding the Fourth Proportional to 180,211.86, 269,924.04 and 91,312.74

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Solution

The fourth proportional to 180,211.86, 269,924.04 and 91,312.74 is: 136,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,211.86 : 269,924.04 = 91,312.74 : x
  2. Step 2: Convert to fraction form
    180,211.86/269,924.04 = 91,312.74/x
  3. Step 3: Cross multiply
    180,211.86x = 269,924.04 × 91,312.74
  4. Step 4: Simplify right side
    180,211.86x = 24,647,503,684.27
  5. Step 5: Solve for x
    x = 24,647,503,684.27/180,211.86
  6. Step 6: Final answer
    x = 136,769.60

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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.