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Finding the Fourth Proportional to 80,963.57, 111,700.28 and 46,953.29

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Solution

The fourth proportional to 80,963.57, 111,700.28 and 46,953.29 is: 64,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,963.57 : 111,700.28 = 46,953.29 : x
  2. Step 2: Convert to fraction form
    80,963.57/111,700.28 = 46,953.29/x
  3. Step 3: Cross multiply
    80,963.57x = 111,700.28 × 46,953.29
  4. Step 4: Simplify right side
    80,963.57x = 5,244,696,036.56
  5. Step 5: Solve for x
    x = 5,244,696,036.56/80,963.57
  6. Step 6: Final answer
    x = 64,778.47

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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.