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Finding the Fourth Proportional to 80,655.76, 111,273 and 46,657.96

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Solution

The fourth proportional to 80,655.76, 111,273 and 46,657.96 is: 64,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.76 : 111,273 = 46,657.96 : x
  2. Step 2: Convert to fraction form
    80,655.76/111,273 = 46,657.96/x
  3. Step 3: Cross multiply
    80,655.76x = 111,273 × 46,657.96
  4. Step 4: Simplify right side
    80,655.76x = 5,191,771,183.08
  5. Step 5: Solve for x
    x = 5,191,771,183.08/80,655.76
  6. Step 6: Final answer
    x = 64,369.50

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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.