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Finding the Fourth Proportional to 80,494.32, 111,070.32 and 44,684.64

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Solution

The fourth proportional to 80,494.32, 111,070.32 and 44,684.64 is: 61,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,494.32 : 111,070.32 = 44,684.64 : x
  2. Step 2: Convert to fraction form
    80,494.32/111,070.32 = 44,684.64/x
  3. Step 3: Cross multiply
    80,494.32x = 111,070.32 × 44,684.64
  4. Step 4: Simplify right side
    80,494.32x = 4,963,137,263.88
  5. Step 5: Solve for x
    x = 4,963,137,263.88/80,494.32
  6. Step 6: Final answer
    x = 61,658.23

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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.