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Finding the Fourth Proportional to 80,465.70, 111,045.19 and 46,473.55

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Solution

The fourth proportional to 80,465.70, 111,045.19 and 46,473.55 is: 64,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.70 : 111,045.19 = 46,473.55 : x
  2. Step 2: Convert to fraction form
    80,465.70/111,045.19 = 46,473.55/x
  3. Step 3: Cross multiply
    80,465.70x = 111,045.19 × 46,473.55
  4. Step 4: Simplify right side
    80,465.70x = 5,160,664,189.72
  5. Step 5: Solve for x
    x = 5,160,664,189.72/80,465.70
  6. Step 6: Final answer
    x = 64,134.96

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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.