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Finding the Fourth Proportional to 114,885.79, 158,366.68 and 80,801.39

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Solution

The fourth proportional to 114,885.79, 158,366.68 and 80,801.39 is: 111,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.79 : 158,366.68 = 80,801.39 : x
  2. Step 2: Convert to fraction form
    114,885.79/158,366.68 = 80,801.39/x
  3. Step 3: Cross multiply
    114,885.79x = 158,366.68 × 80,801.39
  4. Step 4: Simplify right side
    114,885.79x = 12,796,248,067.60
  5. Step 5: Solve for x
    x = 12,796,248,067.60/114,885.79
  6. Step 6: Final answer
    x = 111,382.34

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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.