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Finding the Fourth Proportional to 80,495.74, 111,078.54 and 44,682.93

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Solution

The fourth proportional to 80,495.74, 111,078.54 and 44,682.93 is: 61,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,495.74 : 111,078.54 = 44,682.93 : x
  2. Step 2: Convert to fraction form
    80,495.74/111,078.54 = 44,682.93/x
  3. Step 3: Cross multiply
    80,495.74x = 111,078.54 × 44,682.93
  4. Step 4: Simplify right side
    80,495.74x = 4,963,314,627.32
  5. Step 5: Solve for x
    x = 4,963,314,627.32/80,495.74
  6. Step 6: Final answer
    x = 61,659.35

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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.