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Finding the Fourth Proportional to 80,465.87, 111,017.23 and 46,469.86

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Solution

The fourth proportional to 80,465.87, 111,017.23 and 46,469.86 is: 64,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.87 : 111,017.23 = 46,469.86 : x
  2. Step 2: Convert to fraction form
    80,465.87/111,017.23 = 46,469.86/x
  3. Step 3: Cross multiply
    80,465.87x = 111,017.23 × 46,469.86
  4. Step 4: Simplify right side
    80,465.87x = 5,158,955,332.55
  5. Step 5: Solve for x
    x = 5,158,955,332.55/80,465.87
  6. Step 6: Final answer
    x = 64,113.59

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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.