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Finding the Fourth Proportional to 80,124.42, 110,605.74 and 49,924.66

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Solution

The fourth proportional to 80,124.42, 110,605.74 and 49,924.66 is: 68,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,124.42 : 110,605.74 = 49,924.66 : x
  2. Step 2: Convert to fraction form
    80,124.42/110,605.74 = 49,924.66/x
  3. Step 3: Cross multiply
    80,124.42x = 110,605.74 × 49,924.66
  4. Step 4: Simplify right side
    80,124.42x = 5,521,953,963.55
  5. Step 5: Solve for x
    x = 5,521,953,963.55/80,124.42
  6. Step 6: Final answer
    x = 68,917.24

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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.